YARN-2113. Add cross-user preemption within CapacityScheduler's leaf-queue. (Sunil G via wangda)
Change-Id: I9b19f69788068be05b3295247cdd7b972f8a573c
This commit is contained in:
Wangda Tan
parent
9cab42cc79
commit
c583ab02c7
@ -121,4 +121,9 @@ public boolean fitsIn(Resource cluster,
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Resource smaller, Resource bigger) {
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return smaller.getMemorySize() <= bigger.getMemorySize();
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}
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@Override
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public boolean isAnyMajorResourceZero(Resource resource) {
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return resource.getMemorySize() == 0f;
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}
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}
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@ -239,4 +239,9 @@ public boolean fitsIn(Resource cluster,
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return smaller.getMemorySize() <= bigger.getMemorySize()
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&& smaller.getVirtualCores() <= bigger.getVirtualCores();
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}
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@Override
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public boolean isAnyMajorResourceZero(Resource resource) {
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return resource.getMemorySize() == 0f || resource.getVirtualCores() == 0;
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}
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}
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@ -204,4 +204,13 @@ public abstract float divide(
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*/
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public abstract boolean fitsIn(Resource cluster,
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Resource smaller, Resource bigger);
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/**
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* Check if resource has any major resource types (which are all NodeManagers
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* included) a zero value.
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*
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* @param resource resource
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* @return returns true if any resource is zero.
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*/
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public abstract boolean isAnyMajorResourceZero(Resource resource);
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}
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@ -352,4 +352,9 @@ public static Resource componentwiseMax(Resource lhs, Resource rhs) {
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return createResource(Math.max(lhs.getMemorySize(), rhs.getMemorySize()),
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Math.max(lhs.getVirtualCores(), rhs.getVirtualCores()));
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}
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public static boolean isAnyMajorResourceZero(ResourceCalculator rc,
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Resource resource) {
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return rc.isAnyMajorResourceZero(resource);
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}
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}
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@ -18,9 +18,11 @@
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package org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity;
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import org.apache.hadoop.classification.InterfaceStability.Unstable;
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import org.apache.hadoop.yarn.api.records.ContainerId;
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import org.apache.hadoop.yarn.api.records.Resource;
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import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
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import org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy.IntraQueuePreemptionOrderPolicy;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler;
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import org.apache.hadoop.yarn.util.resource.ResourceCalculator;
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@ -63,4 +65,7 @@ TempQueuePerPartition getQueueByPartition(String queueName,
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float getMinimumThresholdForIntraQueuePreemption();
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float getMaxAllowableLimitForIntraQueuePreemption();
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@Unstable
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IntraQueuePreemptionOrderPolicy getIntraQueuePreemptionOrderPolicy();
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}
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@ -99,7 +99,7 @@ public static void deductPreemptableResourcesBasedSelectedCandidates(
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}
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deductPreemptableResourcePerApp(context, tq.totalPartitionResource,
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tas, res, partition);
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tas, res);
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}
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}
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}
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@ -108,10 +108,10 @@ public static void deductPreemptableResourcesBasedSelectedCandidates(
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private static void deductPreemptableResourcePerApp(
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CapacitySchedulerPreemptionContext context,
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Resource totalPartitionResource, Collection<TempAppPerPartition> tas,
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Resource res, String partition) {
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Resource res) {
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for (TempAppPerPartition ta : tas) {
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ta.deductActuallyToBePreempted(context.getResourceCalculator(),
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totalPartitionResource, res, partition);
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totalPartitionResource, res);
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}
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}
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@ -157,7 +157,8 @@ public static boolean tryPreemptContainerAndDeductResToObtain(
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&& Resources.greaterThan(rc, clusterResource, toObtainByPartition,
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Resources.none())
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&& Resources.fitsIn(rc, clusterResource,
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rmContainer.getAllocatedResource(), totalPreemptionAllowed)) {
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rmContainer.getAllocatedResource(), totalPreemptionAllowed)
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&& !Resources.isAnyMajorResourceZero(rc, toObtainByPartition)) {
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Resources.subtractFrom(toObtainByPartition,
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rmContainer.getAllocatedResource());
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Resources.subtractFrom(totalPreemptionAllowed,
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@ -18,11 +18,13 @@
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package org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.PriorityQueue;
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import java.util.Set;
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@ -33,7 +35,9 @@
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import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
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import org.apache.hadoop.yarn.api.records.Resource;
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import org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.IntraQueueCandidatesSelector.TAPriorityComparator;
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import org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy.IntraQueuePreemptionOrderPolicy;
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import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceUsage;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.SchedulingMode;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
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@ -60,6 +64,26 @@ public FifoIntraQueuePreemptionPlugin(ResourceCalculator rc,
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this.rc = rc;
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}
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@Override
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public Collection<FiCaSchedulerApp> getPreemptableApps(String queueName,
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String partition) {
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TempQueuePerPartition tq = context.getQueueByPartition(queueName,
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partition);
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List<FiCaSchedulerApp> apps = new ArrayList<FiCaSchedulerApp>();
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for (TempAppPerPartition tmpApp : tq.getApps()) {
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// If a lower priority app was not selected to get preempted, mark such
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// apps out from preemption candidate selection.
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if (Resources.equals(tmpApp.getActuallyToBePreempted(),
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Resources.none())) {
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continue;
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}
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apps.add(tmpApp.app);
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}
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return apps;
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}
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@Override
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public Map<String, Resource> getResourceDemandFromAppsPerQueue(
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String queueName, String partition) {
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@ -90,7 +114,7 @@ public Map<String, Resource> getResourceDemandFromAppsPerQueue(
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@Override
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public void computeAppsIdealAllocation(Resource clusterResource,
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Resource partitionBasedResource, TempQueuePerPartition tq,
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TempQueuePerPartition tq,
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Map<ApplicationAttemptId, Set<RMContainer>> selectedCandidates,
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Resource totalPreemptedResourceAllowed,
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Resource queueReassignableResource, float maxAllowablePreemptLimit) {
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@ -113,17 +137,15 @@ public void computeAppsIdealAllocation(Resource clusterResource,
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// 3. Create all tempApps for internal calculation and return a list from
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// high priority to low priority order.
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TAPriorityComparator taComparator = new TAPriorityComparator();
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PriorityQueue<TempAppPerPartition> orderedByPriority =
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createTempAppForResCalculation(tq.partition, apps, taComparator);
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PriorityQueue<TempAppPerPartition> orderedByPriority = createTempAppForResCalculation(
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tq, apps, clusterResource, perUserAMUsed);
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// 4. Calculate idealAssigned per app by checking based on queue's
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// unallocated resource.Also return apps arranged from lower priority to
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// higher priority.
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TreeSet<TempAppPerPartition> orderedApps =
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calculateIdealAssignedResourcePerApp(clusterResource,
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partitionBasedResource, tq, selectedCandidates,
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queueReassignableResource, orderedByPriority, perUserAMUsed);
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TreeSet<TempAppPerPartition> orderedApps = calculateIdealAssignedResourcePerApp(
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clusterResource, tq, selectedCandidates, queueReassignableResource,
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orderedByPriority);
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// 5. A configurable limit that could define an ideal allowable preemption
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// limit. Based on current queue's capacity,defined how much % could become
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@ -146,7 +168,7 @@ public void computeAppsIdealAllocation(Resource clusterResource,
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// 7. From lowest priority app onwards, calculate toBePreempted resource
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// based on demand.
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calculateToBePreemptedResourcePerApp(clusterResource, orderedApps,
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preemptionLimit);
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Resources.clone(preemptionLimit));
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// Save all apps (low to high) to temp queue for further reference
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tq.addAllApps(orderedApps);
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@ -154,7 +176,8 @@ public void computeAppsIdealAllocation(Resource clusterResource,
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// 8. There are chances that we may preempt for the demand from same
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// priority level, such cases are to be validated out.
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validateOutSameAppPriorityFromDemand(clusterResource,
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(TreeSet<TempAppPerPartition>) tq.getApps());
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(TreeSet<TempAppPerPartition>) orderedApps, tq.getUsersPerPartition(),
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context.getIntraQueuePreemptionOrderPolicy());
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if (LOG.isDebugEnabled()) {
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LOG.debug("Queue Name:" + tq.queueName + ", partition:" + tq.partition);
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@ -177,17 +200,17 @@ private void calculateToBePreemptedResourcePerApp(Resource clusterResource,
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Resource preemtableFromApp = Resources.subtract(tmpApp.getUsed(),
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tmpApp.idealAssigned);
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Resources.subtractFrom(preemtableFromApp, tmpApp.selected);
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Resources.subtractFrom(preemtableFromApp, tmpApp.getAMUsed());
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Resources.subtractFromNonNegative(preemtableFromApp, tmpApp.selected);
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Resources.subtractFromNonNegative(preemtableFromApp, tmpApp.getAMUsed());
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// Calculate toBePreempted from apps as follows:
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// app.preemptable = min(max(app.used - app.selected - app.ideal, 0),
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// intra_q_preemptable)
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tmpApp.toBePreempted = Resources.min(rc, clusterResource, Resources
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.max(rc, clusterResource, preemtableFromApp, Resources.none()),
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preemptionLimit);
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Resources.clone(preemptionLimit));
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preemptionLimit = Resources.subtract(preemptionLimit,
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preemptionLimit = Resources.subtractFromNonNegative(preemptionLimit,
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tmpApp.toBePreempted);
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}
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}
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@ -222,31 +245,24 @@ private void calculateToBePreemptedResourcePerApp(Resource clusterResource,
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* }
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*
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* @param clusterResource Cluster Resource
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* @param partitionBasedResource resource per partition
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* @param tq TempQueue
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* @param selectedCandidates Already Selected preemption candidates
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* @param queueReassignableResource Resource used in a queue
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* @param orderedByPriority List of running apps
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* @param perUserAMUsed AM used resource
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* @return List of temp apps ordered from low to high priority
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*/
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private TreeSet<TempAppPerPartition> calculateIdealAssignedResourcePerApp(
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Resource clusterResource, Resource partitionBasedResource,
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TempQueuePerPartition tq,
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Resource clusterResource, TempQueuePerPartition tq,
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Map<ApplicationAttemptId, Set<RMContainer>> selectedCandidates,
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Resource queueReassignableResource,
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PriorityQueue<TempAppPerPartition> orderedByPriority,
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Map<String, Resource> perUserAMUsed) {
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PriorityQueue<TempAppPerPartition> orderedByPriority) {
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Comparator<TempAppPerPartition> reverseComp = Collections
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.reverseOrder(new TAPriorityComparator());
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TreeSet<TempAppPerPartition> orderedApps = new TreeSet<>(reverseComp);
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Map<String, Resource> userIdealAssignedMapping = new HashMap<>();
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String partition = tq.partition;
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Map<String, Resource> preCalculatedUserLimit =
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new HashMap<String, Resource>();
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Map<String, TempUserPerPartition> usersPerPartition = tq.getUsersPerPartition();
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while (!orderedByPriority.isEmpty()) {
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// Remove app from the next highest remaining priority and process it to
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@ -256,44 +272,19 @@ private TreeSet<TempAppPerPartition> calculateIdealAssignedResourcePerApp(
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// Once unallocated resource is 0, we can stop assigning ideal per app.
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if (Resources.lessThanOrEqual(rc, clusterResource,
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queueReassignableResource, Resources.none())) {
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queueReassignableResource, Resources.none())
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|| Resources.isAnyMajorResourceZero(rc, queueReassignableResource)) {
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continue;
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}
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String userName = tmpApp.app.getUser();
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Resource userLimitResource = preCalculatedUserLimit.get(userName);
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// Verify whether we already calculated headroom for this user.
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if (userLimitResource == null) {
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userLimitResource = Resources.clone(
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tq.leafQueue.getResourceLimitForAllUsers(userName, clusterResource,
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partition, SchedulingMode.RESPECT_PARTITION_EXCLUSIVITY));
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Resource amUsed = perUserAMUsed.get(userName);
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if (null == amUsed) {
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amUsed = Resources.createResource(0, 0);
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}
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// Real AM used need not have to be considered for user-limit as well.
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userLimitResource = Resources.subtract(userLimitResource, amUsed);
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if (LOG.isDebugEnabled()) {
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LOG.debug("Userlimit for user '" + userName + "' is :"
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+ userLimitResource + ", and amUsed is:" + amUsed);
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}
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preCalculatedUserLimit.put(userName, userLimitResource);
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}
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Resource idealAssignedForUser = userIdealAssignedMapping.get(userName);
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if (idealAssignedForUser == null) {
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idealAssignedForUser = Resources.createResource(0, 0);
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userIdealAssignedMapping.put(userName, idealAssignedForUser);
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}
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TempUserPerPartition tmpUser = usersPerPartition.get(userName);
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Resource userLimitResource = tmpUser.getUserLimit();
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Resource idealAssignedForUser = tmpUser.idealAssigned;
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// Calculate total selected container resources from current app.
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getAlreadySelectedPreemptionCandidatesResource(selectedCandidates,
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tmpApp, partition);
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getAlreadySelectedPreemptionCandidatesResource(selectedCandidates, tmpApp,
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tmpUser, partition);
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// For any app, used+pending will give its idealAssigned. However it will
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// be tightly linked to queue's unallocated quota. So lower priority apps
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@ -304,10 +295,11 @@ private TreeSet<TempAppPerPartition> calculateIdealAssignedResourcePerApp(
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if (Resources.lessThan(rc, clusterResource, idealAssignedForUser,
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userLimitResource)) {
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appIdealAssigned = Resources.min(rc, clusterResource, appIdealAssigned,
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Resource idealAssigned = Resources.min(rc, clusterResource,
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appIdealAssigned,
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Resources.subtract(userLimitResource, idealAssignedForUser));
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tmpApp.idealAssigned = Resources.clone(Resources.min(rc,
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clusterResource, queueReassignableResource, appIdealAssigned));
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clusterResource, queueReassignableResource, idealAssigned));
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Resources.addTo(idealAssignedForUser, tmpApp.idealAssigned);
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} else {
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continue;
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@ -322,7 +314,8 @@ private TreeSet<TempAppPerPartition> calculateIdealAssignedResourcePerApp(
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Resources.subtract(tmpApp.idealAssigned, appUsedExcludedSelected));
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}
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Resources.subtractFrom(queueReassignableResource, tmpApp.idealAssigned);
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Resources.subtractFromNonNegative(queueReassignableResource,
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tmpApp.idealAssigned);
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}
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return orderedApps;
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@ -334,7 +327,8 @@ private TreeSet<TempAppPerPartition> calculateIdealAssignedResourcePerApp(
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*/
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private void getAlreadySelectedPreemptionCandidatesResource(
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Map<ApplicationAttemptId, Set<RMContainer>> selectedCandidates,
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TempAppPerPartition tmpApp, String partition) {
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TempAppPerPartition tmpApp, TempUserPerPartition tmpUser,
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String partition) {
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tmpApp.selected = Resources.createResource(0, 0);
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Set<RMContainer> containers = selectedCandidates
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.get(tmpApp.app.getApplicationAttemptId());
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@ -346,16 +340,23 @@ private void getAlreadySelectedPreemptionCandidatesResource(
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for (RMContainer cont : containers) {
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if (partition.equals(cont.getNodeLabelExpression())) {
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Resources.addTo(tmpApp.selected, cont.getAllocatedResource());
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Resources.addTo(tmpUser.selected, cont.getAllocatedResource());
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}
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}
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}
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private PriorityQueue<TempAppPerPartition> createTempAppForResCalculation(
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String partition, Collection<FiCaSchedulerApp> apps,
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TAPriorityComparator taComparator) {
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TempQueuePerPartition tq, Collection<FiCaSchedulerApp> apps,
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Resource clusterResource,
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Map<String, Resource> perUserAMUsed) {
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TAPriorityComparator taComparator = new TAPriorityComparator();
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PriorityQueue<TempAppPerPartition> orderedByPriority = new PriorityQueue<>(
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100, taComparator);
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String partition = tq.partition;
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Map<String, TempUserPerPartition> usersPerPartition = tq
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.getUsersPerPartition();
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// have an internal temp app structure to store intermediate data(priority)
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for (FiCaSchedulerApp app : apps) {
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@ -387,56 +388,156 @@ private PriorityQueue<TempAppPerPartition> createTempAppForResCalculation(
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tmpApp.idealAssigned = Resources.createResource(0, 0);
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orderedByPriority.add(tmpApp);
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// Create a TempUserPerPartition structure to hold more information
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// regarding each user's entities such as UserLimit etc. This could
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// be kept in a user to TempUserPerPartition map for further reference.
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String userName = app.getUser();
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if (!usersPerPartition.containsKey(userName)) {
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ResourceUsage userResourceUsage = tq.leafQueue.getUser(userName)
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.getResourceUsage();
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TempUserPerPartition tmpUser = new TempUserPerPartition(
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tq.leafQueue.getUser(userName), tq.queueName,
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Resources.clone(userResourceUsage.getUsed(partition)),
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Resources.clone(perUserAMUsed.get(userName)),
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Resources.clone(userResourceUsage.getReserved(partition)),
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Resources.none());
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Resource userLimitResource = Resources.clone(
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tq.leafQueue.getResourceLimitForAllUsers(userName, clusterResource,
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partition, SchedulingMode.RESPECT_PARTITION_EXCLUSIVITY));
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// Real AM used need not have to be considered for user-limit as well.
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userLimitResource = Resources.subtract(userLimitResource,
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tmpUser.amUsed);
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tmpUser.setUserLimit(userLimitResource);
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if (LOG.isDebugEnabled()) {
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LOG.debug("TempUser:" + tmpUser);
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}
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tmpUser.idealAssigned = Resources.createResource(0, 0);
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tq.addUserPerPartition(userName, tmpUser);
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}
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}
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return orderedByPriority;
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}
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/*
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* Fifo+Priority based preemption policy need not have to preempt resources at
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* same priority level. Such cases will be validated out.
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* same priority level. Such cases will be validated out. But if the demand is
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* from an app of different user, force to preempt resources even if apps are
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* at same priority.
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*/
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public void validateOutSameAppPriorityFromDemand(Resource cluster,
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TreeSet<TempAppPerPartition> appsOrderedfromLowerPriority) {
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TreeSet<TempAppPerPartition> orderedApps,
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Map<String, TempUserPerPartition> usersPerPartition,
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IntraQueuePreemptionOrderPolicy intraQueuePreemptionOrder) {
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TempAppPerPartition[] apps = appsOrderedfromLowerPriority
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.toArray(new TempAppPerPartition[appsOrderedfromLowerPriority.size()]);
|
||||
TempAppPerPartition[] apps = orderedApps
|
||||
.toArray(new TempAppPerPartition[orderedApps.size()]);
|
||||
if (apps.length <= 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
int lPriority = 0;
|
||||
int hPriority = apps.length - 1;
|
||||
for (int hPriority = apps.length - 1; hPriority >= 0; hPriority--) {
|
||||
|
||||
// Check whether high priority app with demand needs resource from other
|
||||
// user.
|
||||
if (Resources.greaterThan(rc, cluster,
|
||||
apps[hPriority].getToBePreemptFromOther(), Resources.none())) {
|
||||
|
||||
// Given we have a demand from a high priority app, we can do a reverse
|
||||
// scan from lower priority apps to select resources.
|
||||
// Since idealAssigned of each app has considered user-limit, this logic
|
||||
// will provide eventual consistency w.r.t user-limit as well.
|
||||
for (int lPriority = 0; lPriority < apps.length; lPriority++) {
|
||||
|
||||
// Check whether app with demand needs resource from other user.
|
||||
if (Resources.greaterThan(rc, cluster, apps[lPriority].toBePreempted,
|
||||
Resources.none())) {
|
||||
|
||||
// If apps are of same user, and priority is same, then skip.
|
||||
if ((apps[hPriority].getUser().equals(apps[lPriority].getUser()))
|
||||
&& (apps[lPriority].getPriority() >= apps[hPriority]
|
||||
.getPriority())) {
|
||||
continue;
|
||||
}
|
||||
|
||||
if (Resources.lessThanOrEqual(rc, cluster,
|
||||
apps[lPriority].toBePreempted,
|
||||
apps[lPriority].getActuallyToBePreempted())
|
||||
|| Resources.equals(apps[hPriority].getToBePreemptFromOther(),
|
||||
Resources.none())) {
|
||||
continue;
|
||||
}
|
||||
|
||||
// Ideally if any application has a higher priority, then it can
|
||||
// force to preempt any lower priority app from any user. However
|
||||
// if admin enforces user-limit over priority, preemption module
|
||||
// will not choose lower priority apps from usre's who are not yet
|
||||
// met its user-limit.
|
||||
TempUserPerPartition tmpUser = usersPerPartition
|
||||
.get(apps[lPriority].getUser());
|
||||
if ((!apps[hPriority].getUser().equals(apps[lPriority].getUser()))
|
||||
&& (!tmpUser.isUserLimitReached(rc, cluster))
|
||||
&& (intraQueuePreemptionOrder
|
||||
.equals(IntraQueuePreemptionOrderPolicy.USERLIMIT_FIRST))) {
|
||||
continue;
|
||||
}
|
||||
|
||||
while (lPriority < hPriority
|
||||
&& !apps[lPriority].equals(apps[hPriority])
|
||||
&& apps[lPriority].getPriority() < apps[hPriority].getPriority()) {
|
||||
Resource toPreemptFromOther = apps[hPriority]
|
||||
.getToBePreemptFromOther();
|
||||
Resource actuallyToPreempt = apps[lPriority].getActuallyToBePreempted();
|
||||
Resource delta = Resources.subtract(apps[lPriority].toBePreempted,
|
||||
actuallyToPreempt);
|
||||
Resource actuallyToPreempt = apps[lPriority]
|
||||
.getActuallyToBePreempted();
|
||||
|
||||
if (Resources.greaterThan(rc, cluster, delta, Resources.none())) {
|
||||
// A lower priority app could offer more resource to preempt, if
|
||||
// multiple higher priority/under served users needs resources.
|
||||
// After one iteration, we need to ensure that actuallyToPreempt is
|
||||
// subtracted from the resource to preempt.
|
||||
Resource preemptableFromLowerPriorityApp = Resources
|
||||
.subtract(apps[lPriority].toBePreempted, actuallyToPreempt);
|
||||
|
||||
// In case of user-limit preemption, when app's are from different
|
||||
// user and of same priority, we will do user-limit preemption if
|
||||
// there is a demand from under UL quota app.
|
||||
// However this under UL quota app's demand may be more.
|
||||
// Still we should ensure that we are not doing over preemption such
|
||||
// that only a maximum of (user's used - UL quota) could be
|
||||
// preempted.
|
||||
if ((!apps[hPriority].getUser().equals(apps[lPriority].getUser()))
|
||||
&& (apps[lPriority].getPriority() == apps[hPriority]
|
||||
.getPriority())
|
||||
&& tmpUser.isUserLimitReached(rc, cluster)) {
|
||||
|
||||
Resource deltaULQuota = Resources
|
||||
.subtract(tmpUser.getUsedDeductAM(), tmpUser.selected);
|
||||
Resources.subtractFrom(deltaULQuota, tmpUser.getUserLimit());
|
||||
|
||||
if (tmpUser.isPreemptionQuotaForULDeltaDone()) {
|
||||
deltaULQuota = Resources.createResource(0, 0);
|
||||
}
|
||||
|
||||
if (Resources.lessThan(rc, cluster, deltaULQuota,
|
||||
preemptableFromLowerPriorityApp)) {
|
||||
tmpUser.updatePreemptionQuotaForULDeltaAsDone(true);
|
||||
preemptableFromLowerPriorityApp = deltaULQuota;
|
||||
}
|
||||
}
|
||||
|
||||
if (Resources.greaterThan(rc, cluster,
|
||||
preemptableFromLowerPriorityApp, Resources.none())) {
|
||||
Resource toPreempt = Resources.min(rc, cluster,
|
||||
toPreemptFromOther, delta);
|
||||
toPreemptFromOther, preemptableFromLowerPriorityApp);
|
||||
|
||||
apps[hPriority].setToBePreemptFromOther(
|
||||
Resources.subtract(toPreemptFromOther, toPreempt));
|
||||
apps[lPriority].setActuallyToBePreempted(
|
||||
Resources.add(actuallyToPreempt, toPreempt));
|
||||
}
|
||||
|
||||
if (Resources.lessThanOrEqual(rc, cluster,
|
||||
apps[lPriority].toBePreempted,
|
||||
apps[lPriority].getActuallyToBePreempted())) {
|
||||
lPriority++;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (Resources.equals(apps[hPriority].getToBePreemptFromOther(),
|
||||
Resources.none())) {
|
||||
hPriority--;
|
||||
continue;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -456,6 +557,40 @@ private Resource calculateUsedAMResourcesPerQueue(String partition,
|
||||
Resources.addTo(userAMResource, app.getAMResource(partition));
|
||||
Resources.addTo(amUsed, app.getAMResource(partition));
|
||||
}
|
||||
|
||||
return amUsed;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean skipContainerBasedOnIntraQueuePolicy(FiCaSchedulerApp app,
|
||||
Resource clusterResource, Resource usedResource, RMContainer c) {
|
||||
// Ensure below checks
|
||||
// 1. This check must be done only when preemption order is USERLIMIT_FIRST
|
||||
// 2. By selecting container "c", check whether this user's resource usage
|
||||
// is going below its user-limit.
|
||||
// 3. Used resource of user must be always greater than user-limit to
|
||||
// skip some containers as per this check. If used resource is under user
|
||||
// limit, then these containers of this user has to be preempted as demand
|
||||
// might be due to high priority apps running in same user.
|
||||
String partition = context.getScheduler()
|
||||
.getSchedulerNode(c.getAllocatedNode()).getPartition();
|
||||
TempQueuePerPartition tq = context.getQueueByPartition(app.getQueueName(),
|
||||
partition);
|
||||
TempUserPerPartition tmpUser = tq.getUsersPerPartition().get(app.getUser());
|
||||
|
||||
// Given user is not present, skip the check.
|
||||
if (tmpUser == null) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// For ideal resource computations, user-limit got saved by subtracting am
|
||||
// used resource in TempUser. Hence it has to be added back here for
|
||||
// complete check.
|
||||
Resource userLimit = Resources.add(tmpUser.getUserLimit(), tmpUser.amUsed);
|
||||
|
||||
return Resources.lessThanOrEqual(rc, clusterResource,
|
||||
Resources.subtract(usedResource, c.getAllocatedResource()), userLimit)
|
||||
&& context.getIntraQueuePreemptionOrderPolicy()
|
||||
.equals(IntraQueuePreemptionOrderPolicy.USERLIMIT_FIRST);
|
||||
}
|
||||
}
|
||||
|
||||
@ -23,6 +23,7 @@
|
||||
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
|
||||
import org.apache.hadoop.yarn.api.records.Priority;
|
||||
import org.apache.hadoop.yarn.api.records.Resource;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.ProportionalCapacityPreemptionPolicy.IntraQueuePreemptionOrderPolicy;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue;
|
||||
@ -31,8 +32,9 @@
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collection;
|
||||
import java.util.Comparator;
|
||||
import java.util.Iterator;
|
||||
import java.util.HashMap;
|
||||
import java.util.LinkedHashSet;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
@ -51,14 +53,14 @@ static class TAPriorityComparator
|
||||
Comparator<TempAppPerPartition> {
|
||||
|
||||
@Override
|
||||
public int compare(TempAppPerPartition tq1, TempAppPerPartition tq2) {
|
||||
Priority p1 = Priority.newInstance(tq1.getPriority());
|
||||
Priority p2 = Priority.newInstance(tq2.getPriority());
|
||||
public int compare(TempAppPerPartition ta1, TempAppPerPartition ta2) {
|
||||
Priority p1 = Priority.newInstance(ta1.getPriority());
|
||||
Priority p2 = Priority.newInstance(ta2.getPriority());
|
||||
|
||||
if (!p1.equals(p2)) {
|
||||
return p1.compareTo(p2);
|
||||
}
|
||||
return tq1.getApplicationId().compareTo(tq2.getApplicationId());
|
||||
return ta1.getApplicationId().compareTo(ta2.getApplicationId());
|
||||
}
|
||||
}
|
||||
|
||||
@ -121,17 +123,27 @@ public Map<ApplicationAttemptId, Set<RMContainer>> selectCandidates(
|
||||
Map<String, Resource> resToObtainByPartition = fifoPreemptionComputePlugin
|
||||
.getResourceDemandFromAppsPerQueue(queueName, partition);
|
||||
|
||||
// 6. Based on the selected resource demand per partition, select
|
||||
// Default preemption iterator considers only FIFO+priority. For
|
||||
// userlimit preemption, its possible that some lower priority apps
|
||||
// needs from high priority app of another user. Hence use apps
|
||||
// ordered by userlimit starvation as well.
|
||||
Collection<FiCaSchedulerApp> apps = fifoPreemptionComputePlugin
|
||||
.getPreemptableApps(queueName, partition);
|
||||
|
||||
// 6. Get user-limit to ensure that we do not preempt resources which
|
||||
// will force user's resource to come under its UL.
|
||||
Map<String, Resource> rollingResourceUsagePerUser = new HashMap<>();
|
||||
initializeUsageAndUserLimitForCompute(clusterResource, partition,
|
||||
leafQueue, rollingResourceUsagePerUser);
|
||||
|
||||
// 7. Based on the selected resource demand per partition, select
|
||||
// containers with known policy from inter-queue preemption.
|
||||
try {
|
||||
leafQueue.getReadLock().lock();
|
||||
Iterator<FiCaSchedulerApp> desc = leafQueue.getOrderingPolicy()
|
||||
.getPreemptionIterator();
|
||||
while (desc.hasNext()) {
|
||||
FiCaSchedulerApp app = desc.next();
|
||||
preemptFromLeastStarvedApp(selectedCandidates, clusterResource,
|
||||
totalPreemptedResourceAllowed, resToObtainByPartition,
|
||||
leafQueue, app);
|
||||
for (FiCaSchedulerApp app : apps) {
|
||||
preemptFromLeastStarvedApp(leafQueue, app, selectedCandidates,
|
||||
clusterResource, totalPreemptedResourceAllowed,
|
||||
resToObtainByPartition, rollingResourceUsagePerUser);
|
||||
}
|
||||
} finally {
|
||||
leafQueue.getReadLock().unlock();
|
||||
@ -142,16 +154,30 @@ public Map<ApplicationAttemptId, Set<RMContainer>> selectCandidates(
|
||||
return selectedCandidates;
|
||||
}
|
||||
|
||||
private void preemptFromLeastStarvedApp(
|
||||
private void initializeUsageAndUserLimitForCompute(Resource clusterResource,
|
||||
String partition, LeafQueue leafQueue,
|
||||
Map<String, Resource> rollingResourceUsagePerUser) {
|
||||
for (String user : leafQueue.getAllUsers()) {
|
||||
// Initialize used resource of a given user for rolling computation.
|
||||
rollingResourceUsagePerUser.put(user, Resources.clone(
|
||||
leafQueue.getUser(user).getResourceUsage().getUsed(partition)));
|
||||
if (LOG.isDebugEnabled()) {
|
||||
LOG.debug("Rolling resource usage for user:" + user + " is : "
|
||||
+ rollingResourceUsagePerUser.get(user));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void preemptFromLeastStarvedApp(LeafQueue leafQueue,
|
||||
FiCaSchedulerApp app,
|
||||
Map<ApplicationAttemptId, Set<RMContainer>> selectedCandidates,
|
||||
Resource clusterResource, Resource totalPreemptedResourceAllowed,
|
||||
Map<String, Resource> resToObtainByPartition, LeafQueue leafQueue,
|
||||
FiCaSchedulerApp app) {
|
||||
Map<String, Resource> resToObtainByPartition,
|
||||
Map<String, Resource> rollingResourceUsagePerUser) {
|
||||
|
||||
// ToDo: Reuse reservation selector here.
|
||||
|
||||
List<RMContainer> liveContainers = new ArrayList<>(
|
||||
app.getLiveContainers());
|
||||
List<RMContainer> liveContainers = new ArrayList<>(app.getLiveContainers());
|
||||
sortContainers(liveContainers);
|
||||
|
||||
if (LOG.isDebugEnabled()) {
|
||||
@ -160,6 +186,8 @@ private void preemptFromLeastStarvedApp(
|
||||
+ totalPreemptedResourceAllowed);
|
||||
}
|
||||
|
||||
Resource rollingUsedResourcePerUser = rollingResourceUsagePerUser
|
||||
.get(app.getUser());
|
||||
for (RMContainer c : liveContainers) {
|
||||
|
||||
// if there are no demand, return.
|
||||
@ -184,12 +212,34 @@ private void preemptFromLeastStarvedApp(
|
||||
continue;
|
||||
}
|
||||
|
||||
// Try to preempt this container
|
||||
CapacitySchedulerPreemptionUtils.tryPreemptContainerAndDeductResToObtain(
|
||||
rc, preemptionContext, resToObtainByPartition, c, clusterResource,
|
||||
selectedCandidates, totalPreemptedResourceAllowed);
|
||||
// If selected container brings down resource usage under its user's
|
||||
// UserLimit (or equals to), we must skip such containers.
|
||||
if (fifoPreemptionComputePlugin.skipContainerBasedOnIntraQueuePolicy(app,
|
||||
clusterResource, rollingUsedResourcePerUser, c)) {
|
||||
if (LOG.isDebugEnabled()) {
|
||||
LOG.debug(
|
||||
"Skipping container: " + c.getContainerId() + " with resource:"
|
||||
+ c.getAllocatedResource() + " as UserLimit for user:"
|
||||
+ app.getUser() + " with resource usage: "
|
||||
+ rollingUsedResourcePerUser + " is going under UL");
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
// Try to preempt this container
|
||||
boolean ret = CapacitySchedulerPreemptionUtils
|
||||
.tryPreemptContainerAndDeductResToObtain(rc, preemptionContext,
|
||||
resToObtainByPartition, c, clusterResource, selectedCandidates,
|
||||
totalPreemptedResourceAllowed);
|
||||
|
||||
// Subtract from respective user's resource usage once a container is
|
||||
// selected for preemption.
|
||||
if (ret && preemptionContext.getIntraQueuePreemptionOrderPolicy()
|
||||
.equals(IntraQueuePreemptionOrderPolicy.USERLIMIT_FIRST)) {
|
||||
Resources.subtractFrom(rollingUsedResourcePerUser,
|
||||
c.getAllocatedResource());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void computeIntraQueuePreemptionDemand(Resource clusterResource,
|
||||
@ -205,12 +255,7 @@ private void computeIntraQueuePreemptionDemand(Resource clusterResource,
|
||||
continue;
|
||||
}
|
||||
|
||||
// 2. Its better to get partition based resource limit earlier before
|
||||
// starting calculation
|
||||
Resource partitionBasedResource =
|
||||
context.getPartitionResource(partition);
|
||||
|
||||
// 3. loop through all queues corresponding to a partition.
|
||||
// 2. loop through all queues corresponding to a partition.
|
||||
for (String queueName : queueNames) {
|
||||
TempQueuePerPartition tq = context.getQueueByPartition(queueName,
|
||||
partition);
|
||||
@ -221,23 +266,22 @@ private void computeIntraQueuePreemptionDemand(Resource clusterResource,
|
||||
continue;
|
||||
}
|
||||
|
||||
// 4. Consider reassignableResource as (used - actuallyToBePreempted).
|
||||
// 3. Consider reassignableResource as (used - actuallyToBePreempted).
|
||||
// This provides as upper limit to split apps quota in a queue.
|
||||
Resource queueReassignableResource = Resources.subtract(tq.getUsed(),
|
||||
tq.getActuallyToBePreempted());
|
||||
|
||||
// 5. Check queue's used capacity. Make sure that the used capacity is
|
||||
// 4. Check queue's used capacity. Make sure that the used capacity is
|
||||
// above certain limit to consider for intra queue preemption.
|
||||
if (leafQueue.getQueueCapacities().getUsedCapacity(partition) < context
|
||||
.getMinimumThresholdForIntraQueuePreemption()) {
|
||||
continue;
|
||||
}
|
||||
|
||||
// 6. compute the allocation of all apps based on queue's unallocated
|
||||
// 5. compute the allocation of all apps based on queue's unallocated
|
||||
// capacity
|
||||
fifoPreemptionComputePlugin.computeAppsIdealAllocation(clusterResource,
|
||||
partitionBasedResource, tq, selectedCandidates,
|
||||
totalPreemptedResourceAllowed,
|
||||
tq, selectedCandidates, totalPreemptedResourceAllowed,
|
||||
queueReassignableResource,
|
||||
context.getMaxAllowableLimitForIntraQueuePreemption());
|
||||
}
|
||||
|
||||
@ -18,12 +18,14 @@
|
||||
|
||||
package org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity;
|
||||
|
||||
import java.util.Collection;
|
||||
import java.util.Map;
|
||||
import java.util.Set;
|
||||
|
||||
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
|
||||
import org.apache.hadoop.yarn.api.records.Resource;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
|
||||
|
||||
|
||||
interface IntraQueuePreemptionComputePlugin {
|
||||
@ -32,8 +34,14 @@ Map<String, Resource> getResourceDemandFromAppsPerQueue(String queueName,
|
||||
String partition);
|
||||
|
||||
void computeAppsIdealAllocation(Resource clusterResource,
|
||||
Resource partitionBasedResource, TempQueuePerPartition tq,
|
||||
TempQueuePerPartition tq,
|
||||
Map<ApplicationAttemptId, Set<RMContainer>> selectedCandidates,
|
||||
Resource totalPreemptedResourceAllowed, Resource queueTotalUnassigned,
|
||||
float maxAllowablePreemptLimit);
|
||||
|
||||
Collection<FiCaSchedulerApp> getPreemptableApps(String queueName,
|
||||
String partition);
|
||||
|
||||
boolean skipContainerBasedOnIntraQueuePolicy(FiCaSchedulerApp app,
|
||||
Resource clusterResource, Resource usedResource, RMContainer c);
|
||||
}
|
||||
|
||||
@ -22,6 +22,7 @@
|
||||
import org.apache.commons.lang.StringUtils;
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
import org.apache.hadoop.classification.InterfaceStability.Unstable;
|
||||
import org.apache.hadoop.conf.Configuration;
|
||||
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
|
||||
import org.apache.hadoop.yarn.api.records.ContainerId;
|
||||
@ -79,6 +80,16 @@
|
||||
*/
|
||||
public class ProportionalCapacityPreemptionPolicy
|
||||
implements SchedulingEditPolicy, CapacitySchedulerPreemptionContext {
|
||||
|
||||
/**
|
||||
* IntraQueuePreemptionOrder will be used to define various priority orders
|
||||
* which could be configured by admin.
|
||||
*/
|
||||
@Unstable
|
||||
public enum IntraQueuePreemptionOrderPolicy {
|
||||
PRIORITY_FIRST, USERLIMIT_FIRST;
|
||||
}
|
||||
|
||||
private static final Log LOG =
|
||||
LogFactory.getLog(ProportionalCapacityPreemptionPolicy.class);
|
||||
|
||||
@ -95,6 +106,7 @@ public class ProportionalCapacityPreemptionPolicy
|
||||
|
||||
private float maxAllowableLimitForIntraQueuePreemption;
|
||||
private float minimumThresholdForIntraQueuePreemption;
|
||||
private IntraQueuePreemptionOrderPolicy intraQueuePreemptionOrderPolicy;
|
||||
|
||||
// Pointer to other RM components
|
||||
private RMContext rmContext;
|
||||
@ -190,6 +202,13 @@ public void init(Configuration config, RMContext context,
|
||||
CapacitySchedulerConfiguration.
|
||||
DEFAULT_INTRAQUEUE_PREEMPTION_MINIMUM_THRESHOLD);
|
||||
|
||||
intraQueuePreemptionOrderPolicy = IntraQueuePreemptionOrderPolicy
|
||||
.valueOf(csConfig
|
||||
.get(
|
||||
CapacitySchedulerConfiguration.INTRAQUEUE_PREEMPTION_ORDER_POLICY,
|
||||
CapacitySchedulerConfiguration.DEFAULT_INTRAQUEUE_PREEMPTION_ORDER_POLICY)
|
||||
.toUpperCase());
|
||||
|
||||
rc = scheduler.getResourceCalculator();
|
||||
nlm = scheduler.getRMContext().getNodeLabelManager();
|
||||
|
||||
@ -242,7 +261,6 @@ public synchronized void editSchedule() {
|
||||
}
|
||||
}
|
||||
|
||||
@SuppressWarnings("unchecked")
|
||||
private void preemptOrkillSelectedContainerAfterWait(
|
||||
Map<ApplicationAttemptId, Set<RMContainer>> selectedCandidates,
|
||||
long currentTime) {
|
||||
@ -652,4 +670,9 @@ public void addPartitionToUnderServedQueues(String queueName,
|
||||
}
|
||||
underServedQueues.add(queueName);
|
||||
}
|
||||
|
||||
@Override
|
||||
public IntraQueuePreemptionOrderPolicy getIntraQueuePreemptionOrderPolicy() {
|
||||
return intraQueuePreemptionOrderPolicy;
|
||||
}
|
||||
}
|
||||
|
||||
@ -91,8 +91,12 @@ public ApplicationId getApplicationId() {
|
||||
return applicationId;
|
||||
}
|
||||
|
||||
public String getUser() {
|
||||
return this.app.getUser();
|
||||
}
|
||||
|
||||
public void deductActuallyToBePreempted(ResourceCalculator resourceCalculator,
|
||||
Resource cluster, Resource toBeDeduct, String partition) {
|
||||
Resource cluster, Resource toBeDeduct) {
|
||||
if (Resources.greaterThan(resourceCalculator, cluster,
|
||||
getActuallyToBePreempted(), toBeDeduct)) {
|
||||
Resources.subtractFrom(getActuallyToBePreempted(), toBeDeduct);
|
||||
|
||||
@ -26,6 +26,8 @@
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Collection;
|
||||
import java.util.LinkedHashMap;
|
||||
import java.util.Map;
|
||||
|
||||
/**
|
||||
* Temporary data-structure tracking resource availability, pending resource
|
||||
@ -59,6 +61,10 @@ public class TempQueuePerPartition extends AbstractPreemptionEntity {
|
||||
int relativePriority = 0;
|
||||
TempQueuePerPartition parent = null;
|
||||
|
||||
// This will hold a temp user data structure and will hold userlimit,
|
||||
// idealAssigned, used etc.
|
||||
Map<String, TempUserPerPartition> usersPerPartition = new LinkedHashMap<>();
|
||||
|
||||
TempQueuePerPartition(String queueName, Resource current,
|
||||
boolean preemptionDisabled, String partition, Resource killable,
|
||||
float absCapacity, float absMaxCapacity, Resource totalPartitionResource,
|
||||
@ -289,4 +295,12 @@ public Collection<TempAppPerPartition> getApps() {
|
||||
return apps;
|
||||
}
|
||||
|
||||
public void addUserPerPartition(String userName,
|
||||
TempUserPerPartition tmpUser) {
|
||||
this.usersPerPartition.put(userName, tmpUser);
|
||||
}
|
||||
|
||||
public Map<String, TempUserPerPartition> getUsersPerPartition() {
|
||||
return usersPerPartition;
|
||||
}
|
||||
}
|
||||
|
||||
@ -0,0 +1,88 @@
|
||||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity;
|
||||
|
||||
import org.apache.hadoop.yarn.api.records.Resource;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.UsersManager.User;
|
||||
import org.apache.hadoop.yarn.util.resource.ResourceCalculator;
|
||||
import org.apache.hadoop.yarn.util.resource.Resources;
|
||||
|
||||
|
||||
/**
|
||||
* Temporary data-structure tracking resource availability, pending resource
|
||||
* need, current utilization for an application.
|
||||
*/
|
||||
public class TempUserPerPartition extends AbstractPreemptionEntity {
|
||||
|
||||
private final User user;
|
||||
private Resource userLimit;
|
||||
private boolean donePreemptionQuotaForULDelta = false;
|
||||
|
||||
TempUserPerPartition(User user, String queueName, Resource usedPerPartition,
|
||||
Resource amUsedPerPartition, Resource reserved,
|
||||
Resource pendingPerPartition) {
|
||||
super(queueName, usedPerPartition, amUsedPerPartition, reserved,
|
||||
pendingPerPartition);
|
||||
this.user = user;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
StringBuilder sb = new StringBuilder();
|
||||
sb.append(" NAME: " + getUserName()).append(" CUR: ").append(getUsed())
|
||||
.append(" PEN: ").append(pending).append(" RESERVED: ").append(reserved)
|
||||
.append(" AM_USED: ").append(amUsed).append(" USER_LIMIT: ")
|
||||
.append(getUserLimit()).append(" IDEAL_ASSIGNED: ")
|
||||
.append(idealAssigned).append(" USED_WO_AMUSED: ")
|
||||
.append(getUsedDeductAM()).append(" IDEAL_PREEMPT: ")
|
||||
.append(toBePreempted).append(" ACTUAL_PREEMPT: ")
|
||||
.append(getActuallyToBePreempted()).append("\n");
|
||||
|
||||
return sb.toString();
|
||||
}
|
||||
|
||||
public String getUserName() {
|
||||
return user.getUserName();
|
||||
}
|
||||
|
||||
public Resource getUserLimit() {
|
||||
return userLimit;
|
||||
}
|
||||
|
||||
public void setUserLimit(Resource userLimitResource) {
|
||||
this.userLimit = userLimitResource;
|
||||
}
|
||||
|
||||
public boolean isUserLimitReached(ResourceCalculator rc,
|
||||
Resource clusterResource) {
|
||||
if (Resources.greaterThan(rc, clusterResource, getUsedDeductAM(),
|
||||
userLimit)) {
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
public boolean isPreemptionQuotaForULDeltaDone() {
|
||||
return this.donePreemptionQuotaForULDelta;
|
||||
}
|
||||
|
||||
public void updatePreemptionQuotaForULDeltaAsDone(boolean done) {
|
||||
this.donePreemptionQuotaForULDelta = done;
|
||||
}
|
||||
}
|
||||
@ -1233,6 +1233,14 @@ public boolean getLazyPreemptionEnabled() {
|
||||
public static final float DEFAULT_INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT =
|
||||
0.2f;
|
||||
|
||||
/**
|
||||
* For intra-queue preemption, enforce a preemption order such as
|
||||
* "userlimit_first" or "priority_first".
|
||||
*/
|
||||
public static final String INTRAQUEUE_PREEMPTION_ORDER_POLICY = PREEMPTION_CONFIG_PREFIX
|
||||
+ INTRA_QUEUE_PREEMPTION_CONFIG_PREFIX + "preemption-order-policy";
|
||||
public static final String DEFAULT_INTRAQUEUE_PREEMPTION_ORDER_POLICY = "userlimit_first";
|
||||
|
||||
/**
|
||||
* Maximum application for a queue to be used when application per queue is
|
||||
* not defined.To be consistent with previous version the default value is set
|
||||
|
||||
@ -43,12 +43,10 @@
|
||||
import org.apache.hadoop.yarn.api.records.QueueState;
|
||||
import org.apache.hadoop.yarn.api.records.QueueUserACLInfo;
|
||||
import org.apache.hadoop.yarn.api.records.Resource;
|
||||
import org.apache.hadoop.yarn.exceptions.InvalidResourceRequestException;
|
||||
import org.apache.hadoop.yarn.factories.RecordFactory;
|
||||
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
|
||||
import org.apache.hadoop.yarn.nodelabels.CommonNodeLabelsManager;
|
||||
import org.apache.hadoop.yarn.security.AccessType;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.RMServerUtils;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainer;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.rmcontainer.RMContainerEventType;
|
||||
@ -56,7 +54,6 @@
|
||||
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceLimits;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceUsage;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedContainerChangeRequest;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerApplicationAttempt;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.*;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.activities.ActivityDiagnosticConstant;
|
||||
@ -2022,4 +2019,12 @@ public void stopQueue() {
|
||||
writeLock.unlock();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Get all valid users in this queue.
|
||||
* @return user list
|
||||
*/
|
||||
public Set<String> getAllUsers() {
|
||||
return this.getUsersManager().getUsers().keySet();
|
||||
}
|
||||
}
|
||||
|
||||
@ -253,6 +253,15 @@ public Resource getUserResourceLimit() {
|
||||
public void setUserResourceLimit(Resource userResourceLimit) {
|
||||
this.userResourceLimit = userResourceLimit;
|
||||
}
|
||||
|
||||
public String getUserName() {
|
||||
return this.userName;
|
||||
}
|
||||
|
||||
@VisibleForTesting
|
||||
public void setResourceUsage(ResourceUsage resourceUsage) {
|
||||
this.userResourceUsage = resourceUsage;
|
||||
}
|
||||
} /* End of User class */
|
||||
|
||||
/**
|
||||
@ -344,7 +353,7 @@ public void userLimitNeedsRecompute() {
|
||||
/*
|
||||
* Get all users of queue.
|
||||
*/
|
||||
private Map<String, User> getUsers() {
|
||||
public Map<String, User> getUsers() {
|
||||
return users;
|
||||
}
|
||||
|
||||
|
||||
@ -45,6 +45,7 @@
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.QueueCapacities;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.SchedulingMode;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.UsersManager.User;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption.PreemptionManager;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerApp;
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica.FiCaSchedulerNode;
|
||||
@ -96,6 +97,7 @@ public class ProportionalCapacityPreemptionPolicyMockFramework {
|
||||
Clock mClock = null;
|
||||
CapacitySchedulerConfiguration conf = null;
|
||||
CapacityScheduler cs = null;
|
||||
@SuppressWarnings("rawtypes")
|
||||
EventHandler<Event> mDisp = null;
|
||||
ProportionalCapacityPreemptionPolicy policy = null;
|
||||
Resource clusterResource = null;
|
||||
@ -247,6 +249,7 @@ public Integer answer(InvocationOnMock invocation) throws Throwable {
|
||||
if (containerId == 1) {
|
||||
when(rmc.isAMContainer()).thenReturn(true);
|
||||
when(app.getAMResource(label)).thenReturn(res);
|
||||
when(app.getAppAMNodePartitionName()).thenReturn(label);
|
||||
}
|
||||
|
||||
if (reserved) {
|
||||
@ -280,6 +283,12 @@ public Integer answer(InvocationOnMock invocation) throws Throwable {
|
||||
containerId++;
|
||||
}
|
||||
|
||||
// If app has 0 container, and it has only pending, still make sure to
|
||||
// update label.
|
||||
if (repeat == 0) {
|
||||
when(app.getAppAMNodePartitionName()).thenReturn(label);
|
||||
}
|
||||
|
||||
// Some more app specific aggregated data can be better filled here.
|
||||
when(app.getPriority()).thenReturn(pri);
|
||||
when(app.getUser()).thenReturn(userName);
|
||||
@ -315,10 +324,15 @@ public Integer answer(InvocationOnMock invocation) throws Throwable {
|
||||
private void mockApplications(String appsConfig) {
|
||||
int id = 1;
|
||||
HashMap<String, HashSet<String>> userMap = new HashMap<String, HashSet<String>>();
|
||||
HashMap<String, HashMap<String, HashMap<String, ResourceUsage>>> userResourceUsagePerLabel = new HashMap<>();
|
||||
LeafQueue queue = null;
|
||||
int mulp = -1;
|
||||
for (String a : appsConfig.split(";")) {
|
||||
String[] strs = a.split("\t");
|
||||
String queueName = strs[0];
|
||||
if (mulp <= 0 && strs.length > 2 && strs[2] != null) {
|
||||
mulp = 100 / (new Integer(strs[2]).intValue());
|
||||
}
|
||||
|
||||
// get containers
|
||||
List<RMContainer> liveContainers = new ArrayList<RMContainer>();
|
||||
@ -338,6 +352,7 @@ private void mockApplications(String appsConfig) {
|
||||
when(app.getReservedContainers()).thenReturn(reservedContainers);
|
||||
when(app.getApplicationAttemptId()).thenReturn(appAttemptId);
|
||||
when(app.getApplicationId()).thenReturn(appId);
|
||||
when(app.getQueueName()).thenReturn(queueName);
|
||||
|
||||
// add to LeafQueue
|
||||
queue = (LeafQueue) nameToCSQueues.get(queueName);
|
||||
@ -349,11 +364,39 @@ private void mockApplications(String appsConfig) {
|
||||
users = new HashSet<String>();
|
||||
userMap.put(queueName, users);
|
||||
}
|
||||
|
||||
users.add(app.getUser());
|
||||
|
||||
String label = app.getAppAMNodePartitionName();
|
||||
|
||||
// Get label to queue
|
||||
HashMap<String, HashMap<String, ResourceUsage>> userResourceUsagePerQueue = userResourceUsagePerLabel
|
||||
.get(label);
|
||||
if (null == userResourceUsagePerQueue) {
|
||||
userResourceUsagePerQueue = new HashMap<>();
|
||||
userResourceUsagePerLabel.put(label, userResourceUsagePerQueue);
|
||||
}
|
||||
|
||||
// Get queue to user based resource map
|
||||
HashMap<String, ResourceUsage> userResourceUsage = userResourceUsagePerQueue
|
||||
.get(queueName);
|
||||
if (null == userResourceUsage) {
|
||||
userResourceUsage = new HashMap<>();
|
||||
userResourceUsagePerQueue.put(queueName, userResourceUsage);
|
||||
}
|
||||
|
||||
// Get user to its resource usage.
|
||||
ResourceUsage usage = userResourceUsage.get(app.getUser());
|
||||
if (null == usage) {
|
||||
usage = new ResourceUsage();
|
||||
userResourceUsage.put(app.getUser(), usage);
|
||||
}
|
||||
|
||||
usage.incAMUsed(app.getAMResource(label));
|
||||
usage.incUsed(app.getAppAttemptResourceUsage().getUsed(label));
|
||||
id++;
|
||||
}
|
||||
|
||||
for (String label : userResourceUsagePerLabel.keySet()) {
|
||||
for (String queueName : userMap.keySet()) {
|
||||
queue = (LeafQueue) nameToCSQueues.get(queueName);
|
||||
// Currently we have user-limit test support only for default label.
|
||||
@ -361,14 +404,34 @@ private void mockApplications(String appsConfig) {
|
||||
Resource capacity = Resources.multiply(totResoucePerPartition,
|
||||
queue.getQueueCapacities().getAbsoluteCapacity());
|
||||
HashSet<String> users = userMap.get(queue.getQueueName());
|
||||
Resource userLimit = Resources.divideAndCeil(rc, capacity, users.size());
|
||||
when(queue.getAllUsers()).thenReturn(users);
|
||||
Resource userLimit;
|
||||
if (mulp > 0) {
|
||||
userLimit = Resources.divideAndCeil(rc, capacity, mulp);
|
||||
} else {
|
||||
userLimit = Resources.divideAndCeil(rc, capacity,
|
||||
users.size());
|
||||
}
|
||||
LOG.debug("Updating user-limit from mock: totResoucePerPartition="
|
||||
+ totResoucePerPartition + ", capacity=" + capacity
|
||||
+ ", users.size()=" + users.size() + ", userlimit= " + userLimit
|
||||
+ ",label= " + label + ",queueName= " + queueName);
|
||||
|
||||
HashMap<String, ResourceUsage> userResourceUsage = userResourceUsagePerLabel
|
||||
.get(label).get(queueName);
|
||||
for (String userName : users) {
|
||||
User user = new User(userName);
|
||||
if (userResourceUsage != null) {
|
||||
user.setResourceUsage(userResourceUsage.get(userName));
|
||||
}
|
||||
when(queue.getUser(eq(userName))).thenReturn(user);
|
||||
when(queue.getResourceLimitForAllUsers(eq(userName),
|
||||
any(Resource.class), anyString(), any(SchedulingMode.class)))
|
||||
.thenReturn(userLimit);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private void addContainerToSchedulerNode(NodeId nodeId, RMContainer container,
|
||||
boolean isReserved) {
|
||||
|
||||
@ -62,12 +62,16 @@ public void testSimpleIntraQueuePreemption() throws IOException {
|
||||
* Apps which are running at low priority (4) will preempt few of its
|
||||
* resources to meet the demand.
|
||||
*/
|
||||
|
||||
conf.set(CapacitySchedulerConfiguration.INTRAQUEUE_PREEMPTION_ORDER_POLICY,
|
||||
"priority_first");
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100 100 80 120 0]);" + // root
|
||||
"root(=[100 100 79 120 0]);" + // root
|
||||
"-a(=[11 100 11 50 0]);" + // a
|
||||
"-b(=[40 100 38 60 0]);" + // b
|
||||
"-c(=[20 100 10 10 0]);" + // c
|
||||
@ -304,6 +308,8 @@ public void testLimitPreemptionWithMaxIntraQueuePreemptableLimit()
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
conf.set(CapacitySchedulerConfiguration.INTRAQUEUE_PREEMPTION_ORDER_POLICY,
|
||||
"priority_first");
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
@ -357,6 +363,8 @@ public void testLimitPreemptionWithTotalPreemptedResourceAllowed()
|
||||
// report "ideal" preempt as 10%. Ensure preemption happens only for 10%
|
||||
conf.setFloat(CapacitySchedulerConfiguration.TOTAL_PREEMPTION_PER_ROUND,
|
||||
(float) 0.1);
|
||||
conf.set(CapacitySchedulerConfiguration.INTRAQUEUE_PREEMPTION_ORDER_POLICY,
|
||||
"priority_first");
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
@ -411,6 +419,8 @@ public void testAlreadySelectedContainerFromInterQueuePreemption()
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
conf.set(CapacitySchedulerConfiguration.INTRAQUEUE_PREEMPTION_ORDER_POLICY,
|
||||
"priority_first");
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
@ -418,7 +428,7 @@ public void testAlreadySelectedContainerFromInterQueuePreemption()
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100 100 95 170 0]);" + // root
|
||||
"-a(=[60 100 70 50 0]);" + // a
|
||||
"-a(=[60 100 70 35 0]);" + // a
|
||||
"-b(=[40 100 25 120 0])"; // b
|
||||
|
||||
String appsConfig =
|
||||
@ -467,6 +477,8 @@ public void testSkipAMContainersInInterQueuePreemption() throws IOException {
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
conf.set(CapacitySchedulerConfiguration.INTRAQUEUE_PREEMPTION_ORDER_POLICY,
|
||||
"priority_first");
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
@ -516,6 +528,8 @@ public void testSkipAMContainersInInterQueuePreemptionSingleApp()
|
||||
* cycle. Eventhough there are more demand and no other low priority
|
||||
* apps are present, still AM contaier need to soared.
|
||||
*/
|
||||
conf.set(CapacitySchedulerConfiguration.INTRAQUEUE_PREEMPTION_ORDER_POLICY,
|
||||
"priority_first");
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
@ -660,6 +674,8 @@ public void testNodePartitionIntraQueuePreemption() throws IOException {
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
conf.set(CapacitySchedulerConfiguration.INTRAQUEUE_PREEMPTION_ORDER_POLICY,
|
||||
"priority_first");
|
||||
|
||||
String labelsConfig = "=100,true;" + // default partition
|
||||
"x=100,true"; // partition=x
|
||||
@ -720,6 +736,8 @@ public void testComplexIntraQueuePreemption() throws IOException {
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
conf.set(CapacitySchedulerConfiguration.INTRAQUEUE_PREEMPTION_ORDER_POLICY,
|
||||
"priority_first");
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
@ -840,8 +858,10 @@ public void testIntraQueuePreemptionWithTwoUsers()
|
||||
policy.editSchedule();
|
||||
|
||||
// Considering user-limit of 50% since only 2 users are there, only preempt
|
||||
// 15 more (5 is already running) eventhough demand is for 30.
|
||||
verify(mDisp, times(15)).handle(argThat(
|
||||
// 14 more (5 is already running) eventhough demand is for 30. Ideally we
|
||||
// must preempt 15. But 15th container will bring user1's usage to 20 which
|
||||
// is same as user-limit. Hence skip 15th container.
|
||||
verify(mDisp, times(14)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(3))));
|
||||
}
|
||||
@ -869,6 +889,8 @@ public void testComplexNodePartitionIntraQueuePreemption()
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
conf.set(CapacitySchedulerConfiguration.INTRAQUEUE_PREEMPTION_ORDER_POLICY,
|
||||
"priority_first");
|
||||
|
||||
String labelsConfig = "=100,true;" + // default partition
|
||||
"x=100,true"; // partition=x
|
||||
|
||||
@ -0,0 +1,899 @@
|
||||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity;
|
||||
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import static org.mockito.Matchers.argThat;
|
||||
import static org.mockito.Mockito.times;
|
||||
import static org.mockito.Mockito.verify;
|
||||
|
||||
/**
|
||||
* Test class for IntraQueuePreemption scenarios.
|
||||
*/
|
||||
public class TestProportionalCapacityPreemptionPolicyIntraQueueUserLimit
|
||||
extends
|
||||
ProportionalCapacityPreemptionPolicyMockFramework {
|
||||
@Before
|
||||
public void setup() {
|
||||
super.setup();
|
||||
conf.setBoolean(
|
||||
CapacitySchedulerConfiguration.INTRAQUEUE_PREEMPTION_ENABLED, true);
|
||||
policy = new ProportionalCapacityPreemptionPolicy(rmContext, cs, mClock);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testSimpleIntraQueuePreemptionWithTwoUsers()
|
||||
throws IOException {
|
||||
/**
|
||||
* Queue structure is:
|
||||
*
|
||||
* <pre>
|
||||
* root
|
||||
* |
|
||||
* a
|
||||
* </pre>
|
||||
*
|
||||
* Scenario:
|
||||
* Preconditions:
|
||||
* Queue total resources: 100
|
||||
* Minimum user limit percent: 50%
|
||||
* +--------------+----------+------+---------+
|
||||
* | APP | USER | PRIORITY | USED | PENDING |
|
||||
* +--------------+----------+------+---------+
|
||||
* | app1 | user1 | 1 | 100 | 0 |
|
||||
* | app2 | user2 | 1 | 0 | 30 |
|
||||
* +--------------+----------+------+---------+
|
||||
* Hence in queueA of 100, each user has a quota of 50. app1 of high priority
|
||||
* has a demand of 0 and its already using 100. app2 from user2 has a demand
|
||||
* of 30, and UL is 50. 30 would be preempted from app1.
|
||||
*/
|
||||
|
||||
// Set max preemption limit as 50%.
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100 100 100 30 0]);" + // root
|
||||
"-a(=[100 100 100 30 0])"; // a
|
||||
|
||||
String appsConfig =
|
||||
// queueName\t(priority,resource,host,expression,#repeat,reserved,pending)
|
||||
"a\t" // app1 in a
|
||||
+ "(1,1,n1,,100,false,0,user1);" + // app1 a
|
||||
"a\t" // app2 in a
|
||||
+ "(1,1,n1,,0,false,30,user2)";
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// app2 needs more resource and its well under its user-limit. Hence preempt
|
||||
// resources from app1.
|
||||
verify(mDisp, times(30)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(1))));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testNoIntraQueuePreemptionWithSingleUser()
|
||||
throws IOException {
|
||||
/**
|
||||
* Queue structure is:
|
||||
*
|
||||
* <pre>
|
||||
* root
|
||||
* |
|
||||
* a
|
||||
* </pre>
|
||||
*
|
||||
* Scenario:
|
||||
* Queue total resources: 100
|
||||
* Minimum user limit percent: 50%
|
||||
* +--------------+----------+------+---------+
|
||||
* | APP | USER | PRIORITY | USED | PENDING |
|
||||
* +--------------+----------+------+---------+
|
||||
* | app1 | user1 | 1 | 100 | 0 |
|
||||
* | app2 | user1 | 1 | 0 | 30 |
|
||||
* +--------------+----------+------+---------+
|
||||
* Given single user, lower priority/late submitted apps has to
|
||||
* wait.
|
||||
*/
|
||||
|
||||
// Set max preemption limit as 50%.
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100 100 100 30 0]);" + // root
|
||||
"-a(=[100 100 100 30 0])"; // a
|
||||
|
||||
String appsConfig =
|
||||
// queueName\t(priority,resource,host,expression,#repeat,reserved,pending)
|
||||
"a\t" // app1 in a
|
||||
+ "(1,1,n1,,100,false,0,user1);" + // app1 a
|
||||
"a\t" // app2 in a
|
||||
+ "(1,1,n1,,0,false,30,user1)";
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// app2 needs more resource. Since app1,2 are from same user, there wont be
|
||||
// any preemption.
|
||||
verify(mDisp, times(0)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(1))));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testNoIntraQueuePreemptionWithTwoUserUnderUserLimit()
|
||||
throws IOException {
|
||||
/**
|
||||
* Queue structure is:
|
||||
*
|
||||
* <pre>
|
||||
* root
|
||||
* |
|
||||
* a
|
||||
* </pre>
|
||||
*
|
||||
* Scenario:
|
||||
* Queue total resources: 100
|
||||
* Minimum user limit percent: 50%
|
||||
* +--------------+----------+------+---------+
|
||||
* | APP | USER | PRIORITY | USED | PENDING |
|
||||
* +--------------+----------+------+---------+
|
||||
* | app1 | user1 | 1 | 50 | 0 |
|
||||
* | app2 | user2 | 1 | 30 | 30 |
|
||||
* +--------------+----------+------+---------+
|
||||
* Hence in queueA of 100, each user has a quota of 50. app1 of high priority
|
||||
* has a demand of 0 and its already using 50. app2 from user2 has a demand
|
||||
* of 30, and UL is 50. Since app1 is under UL, there should not be any
|
||||
* preemption.
|
||||
*/
|
||||
|
||||
// Set max preemption limit as 50%.
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100 100 80 30 0]);" + // root
|
||||
"-a(=[100 100 80 30 0])"; // a
|
||||
|
||||
String appsConfig =
|
||||
// queueName\t(priority,resource,host,expression,#repeat,reserved,pending)
|
||||
"a\t" // app1 in a
|
||||
+ "(1,1,n1,,50,false,0,user1);" + // app1 a
|
||||
"a\t" // app2 in a
|
||||
+ "(1,1,n1,,30,false,30,user2)";
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// app2 needs more resource. Since app1,2 are from same user, there wont be
|
||||
// any preemption.
|
||||
verify(mDisp, times(0)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(1))));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testSimpleIntraQueuePreemptionWithTwoUsersWithAppPriority()
|
||||
throws IOException {
|
||||
/**
|
||||
* Queue structure is:
|
||||
*
|
||||
* <pre>
|
||||
* root
|
||||
* |
|
||||
* a
|
||||
* </pre>
|
||||
*
|
||||
* Scenario:
|
||||
* Queue total resources: 100
|
||||
* Minimum user limit percent: 50%
|
||||
* +--------------+----------+------+---------+
|
||||
* | APP | USER | PRIORITY | USED | PENDING |
|
||||
* +--------------+----------+------+---------+
|
||||
* | app1 | user1 | 2 | 100 | 0 |
|
||||
* | app2 | user2 | 1 | 0 | 30 |
|
||||
* +--------------+----------+------+---------+
|
||||
* Hence in queueA of 100, each user has a quota of 50. app1 of high priority
|
||||
* has a demand of 0 and its already using 100. app2 from user2 has a demand
|
||||
* of 30, and UL is 50. 30 would be preempted from app1.
|
||||
*/
|
||||
|
||||
// Set max preemption limit as 50%.
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100 100 100 30 0]);" + // root
|
||||
"-a(=[100 100 100 30 0])"; // a
|
||||
|
||||
String appsConfig =
|
||||
// queueName\t(priority,resource,host,expression,#repeat,reserved,pending)
|
||||
"a\t" // app1 in a
|
||||
+ "(2,1,n1,,100,false,0,user1);" + // app1 a
|
||||
"a\t" // app2 in a
|
||||
+ "(1,1,n1,,0,false,30,user2)";
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// app2 needs more resource and its well under its user-limit. Hence preempt
|
||||
// resources from app1 even though its priority is more than app2.
|
||||
verify(mDisp, times(30)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(1))));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testIntraQueuePreemptionOfUserLimitWithMultipleApps()
|
||||
throws IOException {
|
||||
/**
|
||||
* Queue structure is:
|
||||
*
|
||||
* <pre>
|
||||
* root
|
||||
* |
|
||||
* a
|
||||
* </pre>
|
||||
*
|
||||
* Scenario:
|
||||
* Queue total resources: 100
|
||||
* Minimum user limit percent: 50%
|
||||
* +--------------+----------+------+---------+
|
||||
* | APP | USER | PRIORITY | USED | PENDING |
|
||||
* +--------------+----------+------+---------+
|
||||
* | app1 | user1 | 1 | 30 | 30 |
|
||||
* | app2 | user2 | 1 | 20 | 20 |
|
||||
* | app3 | user1 | 1 | 30 | 30 |
|
||||
* | app4 | user2 | 1 | 0 | 10 |
|
||||
* +--------------+----------+------+---------+
|
||||
* Hence in queueA of 100, each user has a quota of 50. Now have multiple
|
||||
* apps and check for preemption across apps.
|
||||
*/
|
||||
|
||||
// Set max preemption limit as 50%.
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100 100 80 90 0]);" + // root
|
||||
"-a(=[100 100 80 90 0])"; // a
|
||||
|
||||
String appsConfig =
|
||||
// queueName\t(priority,resource,host,expression,#repeat,reserved,pending)
|
||||
"a\t" // app1 in a
|
||||
+ "(1,1,n1,,30,false,30,user1);" + // app1 a
|
||||
"a\t" // app2 in a
|
||||
+ "(1,1,n1,,20,false,20,user2);" +
|
||||
"a\t" // app3 in a
|
||||
+ "(1,1,n1,,30,false,30,user1);" +
|
||||
"a\t" // app4 in a
|
||||
+ "(1,1,n1,,0,false,10,user2)";
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// app2/app4 needs more resource and its well under its user-limit. Hence
|
||||
// preempt resources from app3 (compare to app1, app3 has low priority).
|
||||
verify(mDisp, times(9)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(3))));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testNoPreemptionOfUserLimitWithMultipleAppsAndSameUser()
|
||||
throws IOException {
|
||||
/**
|
||||
* Queue structure is:
|
||||
*
|
||||
* <pre>
|
||||
* root
|
||||
* |
|
||||
* a
|
||||
* </pre>
|
||||
*
|
||||
* Scenario:
|
||||
* Queue total resources: 100
|
||||
* Minimum user limit percent: 50%
|
||||
* +--------------+----------+------+---------+
|
||||
* | APP | USER | PRIORITY | USED | PENDING |
|
||||
* +--------------+----------+------+---------+
|
||||
* | app1 | user1 | 1 | 30 | 30 |
|
||||
* | app2 | user1 | 1 | 20 | 20 |
|
||||
* | app3 | user1 | 1 | 30 | 30 |
|
||||
* | app4 | user1 | 1 | 0 | 10 |
|
||||
* +--------------+----------+------+---------+
|
||||
* Hence in queueA of 100, each user has a quota of 50. Now have multiple
|
||||
* apps and check for preemption across apps.
|
||||
*/
|
||||
|
||||
// Set max preemption limit as 50%.
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100 100 80 90 0]);" + // root
|
||||
"-a(=[100 100 80 90 0])"; // a
|
||||
|
||||
String appsConfig =
|
||||
// queueName\t(priority,resource,host,expression,#repeat,reserved,pending)
|
||||
"a\t" // app1 in a
|
||||
+ "(1,1,n1,,30,false,20,user1);" + // app1 a
|
||||
"a\t" // app2 in a
|
||||
+ "(1,1,n1,,20,false,20,user1);" +
|
||||
"a\t" // app3 in a
|
||||
+ "(1,1,n1,,30,false,30,user1);" +
|
||||
"a\t" // app4 in a
|
||||
+ "(1,1,n1,,0,false,10,user1)";
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// app2/app4 needs more resource and its well under its user-limit. Hence
|
||||
// preempt resources from app3 (compare to app1, app3 has low priority).
|
||||
verify(mDisp, times(0)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(1))));
|
||||
verify(mDisp, times(0)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(2))));
|
||||
verify(mDisp, times(0)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(3))));
|
||||
verify(mDisp, times(0)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(4))));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testIntraQueuePreemptionOfUserLimitWitAppsOfDifferentPriority()
|
||||
throws IOException {
|
||||
/**
|
||||
* Queue structure is:
|
||||
* <pre>
|
||||
* root
|
||||
* |
|
||||
* a
|
||||
* </pre>
|
||||
*
|
||||
* Scenario:
|
||||
* Queue total resources: 100
|
||||
* Minimum user limit percent: 50%
|
||||
* +--------------+----------+------+---------+
|
||||
* | APP | USER | PRIORITY | USED | PENDING |
|
||||
* +--------------+----------+------+---------+
|
||||
* | app1 | user1 | 3 | 30 | 30 |
|
||||
* | app2 | user2 | 1 | 20 | 20 |
|
||||
* | app3 | user1 | 4 | 30 | 0 |
|
||||
* | app4 | user2 | 1 | 0 | 10 |
|
||||
* +--------------+----------+------+---------+
|
||||
* Hence in queueA of 100, each user has a quota of 50. Now have multiple
|
||||
* apps and check for preemption across apps.
|
||||
*/
|
||||
|
||||
// Set max preemption limit as 50%.
|
||||
conf.setFloat(
|
||||
CapacitySchedulerConfiguration.INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100 100 80 60 0]);" + // root
|
||||
"-a(=[100 100 80 60 0])"; // b
|
||||
|
||||
String appsConfig =
|
||||
// queueName\t(priority,resource,host,expression,#repeat,reserved,pending)
|
||||
"a\t" // app1 in a
|
||||
+ "(3,1,n1,,30,false,30,user1);" + // app1 a
|
||||
"a\t" // app2 in a
|
||||
+ "(1,1,n1,,20,false,20,user2);" + "a\t" // app3 in a
|
||||
+ "(4,1,n1,,30,false,0,user1);" + "a\t" // app4 in a
|
||||
+ "(1,1,n1,,0,false,10,user2)";
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// app2/app4 needs more resource and its well under its user-limit. Hence
|
||||
// preempt resources from app1 (compare to app3, app1 has low priority).
|
||||
verify(mDisp, times(9)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(1))));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testIntraQueuePreemptionOfUserLimitInTwoQueues()
|
||||
throws IOException {
|
||||
/**
|
||||
* Queue structure is:
|
||||
*
|
||||
* <pre>
|
||||
* root
|
||||
* / \
|
||||
* a b
|
||||
* </pre>
|
||||
*
|
||||
* Guaranteed resource of a/b are 40:60 Total cluster resource = 100
|
||||
* maxIntraQueuePreemptableLimit by default is 50%. This test is to verify
|
||||
* that intra-queue preemption could occur in two queues when user-limit
|
||||
* irreuglarity is present in queue.
|
||||
*/
|
||||
|
||||
// Set max preemption limit as 50%.
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100 100 90 80 0]);" + // root
|
||||
"-a(=[60 100 55 60 0]);" + // a
|
||||
"-b(=[40 100 35 20 0])"; // b
|
||||
|
||||
String appsConfig =
|
||||
// queueName\t(priority,resource,host,expression,#repeat,reserved,pending)
|
||||
"a\t" // app1 in a
|
||||
+ "(3,1,n1,,20,false,30,user1);" + // app1 a
|
||||
"a\t" // app2 in a
|
||||
+ "(1,1,n1,,20,false,20,user2);" +
|
||||
"a\t" // app3 in a
|
||||
+ "(4,1,n1,,15,false,0,user1);" +
|
||||
"a\t" // app4 in a
|
||||
+ "(1,1,n1,,0,false,10,user2);" +
|
||||
"b\t" // app5 in b
|
||||
+ "(3,1,n1,,25,false,10,user1);" +
|
||||
"b\t" // app6 in b
|
||||
+ "(1,1,n1,,10,false,10,user2)";
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// app2/app4 needs more resource and its well under its user-limit. Hence
|
||||
// preempt resources from app1 (compare to app3, app1 has low priority).
|
||||
verify(mDisp, times(4)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(1))));
|
||||
verify(mDisp, times(4)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(5))));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testIntraQueuePreemptionWithTwoRequestingUsers()
|
||||
throws IOException {
|
||||
/**
|
||||
* Queue structure is:
|
||||
*
|
||||
* <pre>
|
||||
* root
|
||||
* |
|
||||
* a
|
||||
* </pre>
|
||||
*
|
||||
* Scenario:
|
||||
* Queue total resources: 100
|
||||
* Minimum user limit percent: 50%
|
||||
* +--------------+----------+------+---------+
|
||||
* | APP | USER | PRIORITY | USED | PENDING |
|
||||
* +--------------+----------+------+---------+
|
||||
* | app1 | user1 | 1 | 60 | 10 |
|
||||
* | app2 | user2 | 1 | 40 | 10 |
|
||||
* +--------------+----------+------+---------+
|
||||
* Hence in queueA of 100, each user has a quota of 50. Now have multiple
|
||||
* apps and check for preemption across apps.
|
||||
*/
|
||||
|
||||
// Set max preemption limit as 50%.
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100 100 100 20 0]);" + // root
|
||||
"-a(=[100 100 100 20 0])"; // a
|
||||
|
||||
String appsConfig =
|
||||
// queueName\t(priority,resource,host,expression,#repeat,reserved,pending)
|
||||
"a\t" // app1 in a
|
||||
+ "(1,1,n1,,60,false,10,user1);" + // app1 a
|
||||
"a\t" // app2 in a
|
||||
+ "(1,1,n1,,40,false,10,user2)";
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// app2 needs more resource and its well under its user-limit. Hence preempt
|
||||
// resources from app1.
|
||||
verify(mDisp, times(9)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(1))));
|
||||
verify(mDisp, times(0)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(2))));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testNoIntraQueuePreemptionIfBelowUserLimitAndLowPriorityExtraUsers()
|
||||
throws IOException {
|
||||
/**
|
||||
* Queue structure is:
|
||||
*
|
||||
* <pre>
|
||||
* root
|
||||
* |
|
||||
* a
|
||||
* </pre>
|
||||
*
|
||||
* Scenario:
|
||||
* Preconditions:
|
||||
* Queue total resources: 100
|
||||
* Minimum user limit percent: 50%
|
||||
* +--------------+----------+------+---------+
|
||||
* | APP | USER | PRIORITY | USED | PENDING |
|
||||
* +--------------+----------+------+---------+
|
||||
* | app1 | user1 | 1 | 50 | 0 |
|
||||
* | app2 | user2 | 1 | 50 | 0 |
|
||||
* | app3 | user3 | 0 | 0 | 10 |
|
||||
* +--------------+----------+------+---------+
|
||||
* This scenario should never preempt from either user1 or user2
|
||||
*/
|
||||
|
||||
// Set max preemption per round to 50% (this is different from minimum user
|
||||
// limit percent).
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.7);
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100 100 100 10 0]);" + // root
|
||||
"-a(=[100 100 100 10 0])"; // a
|
||||
|
||||
String appsConfig =
|
||||
// queueName\t\
|
||||
// (priority,resource,host,label,#repeat,reserved,pending,user)\tMULP;
|
||||
"a\t(1,1,n1,,50,false,0,user1)\t50;" + // app1, user1
|
||||
"a\t(1,1,n1,,50,false,0,user2)\t50;" + // app2, user2
|
||||
"a\t(0,1,n1,,0,false,10,user3)\t50"; // app3, user3
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// app2/app4 needs more resource and its well under its user-limit. Hence
|
||||
// preempt resources from app1 (compare to app3, app1 has low priority).
|
||||
verify(mDisp, times(0)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(1))));
|
||||
verify(mDisp, times(0)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(2))));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testNoIntraQueuePreemptionIfBelowUserLimitAndSamePriorityExtraUsers()
|
||||
throws IOException {
|
||||
/**
|
||||
* Queue structure is:
|
||||
*
|
||||
* <pre>
|
||||
* root
|
||||
* |
|
||||
* a
|
||||
* </pre>
|
||||
*
|
||||
* Scenario:
|
||||
* Preconditions:
|
||||
* Queue total resources: 100
|
||||
* Minimum user limit percent: 50%
|
||||
* +--------------+----------+------+---------+
|
||||
* | APP | USER | PRIORITY | USED | PENDING |
|
||||
* +--------------+----------+------+---------+
|
||||
* | app1 | user1 | 1 | 50 | 0 |
|
||||
* | app2 | user2 | 1 | 50 | 0 |
|
||||
* | app3 | user3 | 1 | 0 | 10 |
|
||||
* +--------------+----------+------+---------+
|
||||
* This scenario should never preempt from either user1 or user2
|
||||
*/
|
||||
|
||||
// Set max preemption per round to 50% (this is different from minimum user
|
||||
// limit percent).
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.7);
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100 100 100 10 0]);" + // root
|
||||
"-a(=[100 100 100 10 0])"; // a
|
||||
|
||||
String appsConfig =
|
||||
// queueName\t\
|
||||
// (priority,resource,host,label,#repeat,reserved,pending,user)\tMULP;
|
||||
"a\t(1,1,n1,,50,false,0,user1)\t50;" + // app1, user1
|
||||
"a\t(1,1,n1,,50,false,0,user2)\t50;" + // app2, user2
|
||||
"a\t(1,1,n1,,0,false,10,user3)\t50"; // app3, user3
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// app2/app4 needs more resource and its well under its user-limit. Hence
|
||||
// preempt resources from app1 (compare to app3, app1 has low priority).
|
||||
verify(mDisp, times(0)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(1))));
|
||||
verify(mDisp, times(0)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(2))));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testNoIntraQueuePreemptionIfBelowUserLimitAndHighPriorityExtraUsers()
|
||||
throws IOException {
|
||||
/**
|
||||
* Queue structure is:
|
||||
*
|
||||
* <pre>
|
||||
* root
|
||||
* |
|
||||
* a
|
||||
* </pre>
|
||||
*
|
||||
* Scenario:
|
||||
* Preconditions:
|
||||
* Queue total resources: 100
|
||||
* Minimum user limit percent: 50%
|
||||
* +--------------+----------+------+---------+
|
||||
* | APP | USER | PRIORITY | USED | PENDING |
|
||||
* +--------------+----------+------+---------+
|
||||
* | app1 | user1 | 1 | 50 | 0 |
|
||||
* | app2 | user2 | 1 | 50 | 0 |
|
||||
* | app3 | user3 | 5 | 0 | 10 |
|
||||
* +--------------+----------+------+---------+
|
||||
* This scenario should never preempt from either user1 or user2
|
||||
*/
|
||||
|
||||
// Set max preemption per round to 50% (this is different from minimum user
|
||||
// limit percent).
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.7);
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100 100 100 10 0]);" + // root
|
||||
"-a(=[100 100 100 10 0])"; // a
|
||||
|
||||
String appsConfig =
|
||||
// queueName\t\
|
||||
// (priority,resource,host,label,#repeat,reserved,pending,user)\tMULP;
|
||||
"a\t(1,1,n1,,50,false,0,user1)\t50;" + // app1, user1
|
||||
"a\t(1,1,n1,,50,false,0,user2)\t50;" + // app2, user2
|
||||
"a\t(5,1,n1,,0,false,10,user3)\t50"; // app3, user3
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// app2/app4 needs more resource and its well under its user-limit. Hence
|
||||
// preempt resources from app1 (compare to app3, app1 has low priority).
|
||||
verify(mDisp, times(0)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(1))));
|
||||
verify(mDisp, times(0)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(2))));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testNoIntraQueuePreemptionWithUserLimitDeadzone()
|
||||
throws IOException {
|
||||
/**
|
||||
* Queue structure is:
|
||||
*
|
||||
* <pre>
|
||||
* root
|
||||
* |
|
||||
* a
|
||||
* </pre>
|
||||
*
|
||||
* Scenario:
|
||||
* Queue total resources: 100
|
||||
* Minimum user limit percent: 50%
|
||||
* +--------------+----------+------+---------+
|
||||
* | APP | USER | PRIORITY | USED | PENDING |
|
||||
* +--------------+----------+------+---------+
|
||||
* | app1 | user1 | 1 | 60 | 10 |
|
||||
* | app2 | user2 | 1 | 40 | 10 |
|
||||
* +--------------+----------+------+---------+
|
||||
* Hence in queueA of 100, each user has a quota of 50. Now have multiple
|
||||
* apps and check for preemption across apps but also ensure that user's
|
||||
* usage not coming under its user-limit.
|
||||
*/
|
||||
|
||||
// Set max preemption limit as 50%.
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100 100 100 20 0]);" + // root
|
||||
"-a(=[100 100 100 20 0])"; // a
|
||||
|
||||
String appsConfig =
|
||||
// queueName\t(priority,resource,host,expression,#repeat,reserved,pending)
|
||||
"a\t" // app1 in a
|
||||
+ "(1,3,n1,,20,false,10,user1);" + // app1 a
|
||||
"a\t" // app2 in a
|
||||
+ "(1,1,n1,,40,false,10,user2)";
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// app2 needs more resource and its well under its user-limit. Hence preempt
|
||||
// 3 resources (9GB) from app1. We will not preempt last container as it may
|
||||
// pull user's usage under its user-limit.
|
||||
verify(mDisp, times(3)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(1))));
|
||||
verify(mDisp, times(0)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(2))));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testIntraQueuePreemptionWithUserLimitDeadzoneAndPriority()
|
||||
throws IOException {
|
||||
/**
|
||||
* Queue structure is:
|
||||
*
|
||||
* <pre>
|
||||
* root
|
||||
* |
|
||||
* a
|
||||
* </pre>
|
||||
*
|
||||
* Scenario:
|
||||
* Queue total resources: 100
|
||||
* Minimum user limit percent: 50%
|
||||
* +--------------+----------+------+---------+
|
||||
* | APP | USER | PRIORITY | USED | PENDING |
|
||||
* +--------------+----------+------+---------+
|
||||
* | app1 | user1 | 1 | 60 | 10 |
|
||||
* | app2 | user2 | 1 | 40 | 10 |
|
||||
* +--------------+----------+------+---------+
|
||||
* Hence in queueA of 100, each user has a quota of 50. Now have multiple
|
||||
* apps and check for preemption across apps but also ensure that user's
|
||||
* usage not coming under its user-limit.
|
||||
*/
|
||||
|
||||
// Set max preemption limit as 50%.
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
|
||||
String labelsConfig = "=100,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100 100 100 20 0]);" + // root
|
||||
"-a(=[100 100 100 20 0])"; // a
|
||||
|
||||
String appsConfig =
|
||||
// queueName\t(priority,resource,host,expression,#repeat,reserved,pending)
|
||||
"a\t" // app1 in a
|
||||
+ "(1,3,n1,,20,false,10,user1);" + // app1 a
|
||||
"a\t" // app2 in a
|
||||
+ "(2,1,n1,,0,false,10,user1);" + // app1 a
|
||||
"a\t" // app2 in a
|
||||
+ "(1,1,n1,,40,false,20,user2)";
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// app2 needs more resource and its well under its user-limit. Hence preempt
|
||||
// 3 resources (9GB) from app1. We will not preempt last container as it may
|
||||
// pull user's usage under its user-limit.
|
||||
verify(mDisp, times(3)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(1))));
|
||||
verify(mDisp, times(0)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(2))));
|
||||
|
||||
// After first round, 3 containers were preempted from app1 and resource
|
||||
// distribution will be like below.
|
||||
appsConfig =
|
||||
// queueName\t(priority,resource,host,expression,#repeat,reserved,pending)
|
||||
"a\t" // app1 in a
|
||||
+ "(1,3,n1,,17,false,10,user1);" + // app1 a
|
||||
"a\t" // app2 in a
|
||||
+ "(2,1,n1,,0,false,10,user1);" + // app2 a
|
||||
"a\t" // app2 in a
|
||||
+ "(1,1,n1,,49,false,11,user2)";
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// app2 has priority demand within same user 'user1'. However user1's used
|
||||
// is alredy under UL. Hence no preemption. We will still get 3 container
|
||||
// while asserting as it was aleady selected in earlier round.
|
||||
verify(mDisp, times(3)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(1))));
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,178 @@
|
||||
/**
|
||||
* Licensed to the Apache Software Foundation (ASF) under one
|
||||
* or more contributor license agreements. See the NOTICE file
|
||||
* distributed with this work for additional information
|
||||
* regarding copyright ownership. The ASF licenses this file
|
||||
* to you under the Apache License, Version 2.0 (the
|
||||
* "License"); you may not use this file except in compliance
|
||||
* with the License. You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
package org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity;
|
||||
|
||||
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
|
||||
import org.apache.hadoop.yarn.util.resource.DominantResourceCalculator;
|
||||
import org.junit.Before;
|
||||
import org.junit.Test;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import static org.mockito.Matchers.argThat;
|
||||
import static org.mockito.Mockito.times;
|
||||
import static org.mockito.Mockito.verify;
|
||||
import static org.mockito.Mockito.when;
|
||||
|
||||
/**
|
||||
* Test class for IntraQueuePreemption scenarios.
|
||||
*/
|
||||
public class TestProportionalCapacityPreemptionPolicyIntraQueueWithDRF
|
||||
extends
|
||||
ProportionalCapacityPreemptionPolicyMockFramework {
|
||||
@Before
|
||||
public void setup() {
|
||||
super.setup();
|
||||
conf.setBoolean(
|
||||
CapacitySchedulerConfiguration.INTRAQUEUE_PREEMPTION_ENABLED, true);
|
||||
rc = new DominantResourceCalculator();
|
||||
when(cs.getResourceCalculator()).thenReturn(rc);
|
||||
policy = new ProportionalCapacityPreemptionPolicy(rmContext, cs, mClock);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testSimpleIntraQueuePreemptionWithVCoreResource()
|
||||
throws IOException {
|
||||
/**
|
||||
* The simplest test preemption, Queue structure is:
|
||||
*
|
||||
* <pre>
|
||||
* root
|
||||
* / | | \
|
||||
* a b c d
|
||||
* </pre>
|
||||
*
|
||||
* Guaranteed resource of a/b/c/d are 10:40:20:30 Total cluster resource =
|
||||
* 100 Scenario: Queue B has few running apps and two high priority apps
|
||||
* have demand. Apps which are running at low priority (4) will preempt few
|
||||
* of its resources to meet the demand.
|
||||
*/
|
||||
|
||||
conf.set(CapacitySchedulerConfiguration.INTRAQUEUE_PREEMPTION_ORDER_POLICY,
|
||||
"priority_first");
|
||||
|
||||
String labelsConfig = "=100:200,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100:200";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100:50 100:50 80:40 120:60 0]);" + // root
|
||||
"-a(=[10:5 100:50 10:5 50:25 0]);" + // a
|
||||
"-b(=[40:20 100:50 40:20 60:30 0]);" + // b
|
||||
"-c(=[20:10 100:50 10:5 10:5 0]);" + // c
|
||||
"-d(=[30:15 100:50 20:10 0 0])"; // d
|
||||
|
||||
String appsConfig =
|
||||
// queueName\t(priority,resource,host,expression,#repeat,reserved,
|
||||
// pending)
|
||||
"a\t" // app1 in a
|
||||
+ "(1,1:1,n1,,5,false,25:25);" + // app1 a
|
||||
"a\t" // app2 in a
|
||||
+ "(1,1:1,n1,,5,false,25:25);" + // app2 a
|
||||
"b\t" // app3 in b
|
||||
+ "(4,1:1,n1,,36,false,20:20);" + // app3 b
|
||||
"b\t" // app4 in b
|
||||
+ "(4,1:1,n1,,2,false,10:10);" + // app4 b
|
||||
"b\t" // app4 in b
|
||||
+ "(5,1:1,n1,,1,false,10:10);" + // app5 b
|
||||
"b\t" // app4 in b
|
||||
+ "(6,1:1,n1,,1,false,10:10);" + // app6 in b
|
||||
"c\t" // app1 in a
|
||||
+ "(1,1:1,n1,,10,false,10:10);" + "d\t" // app7 in c
|
||||
+ "(1,1:1,n1,,20,false,0)";
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// For queue B, app3 and app4 were of lower priority. Hence take 8
|
||||
// containers from them by hitting the intraQueuePreemptionDemand of 20%.
|
||||
verify(mDisp, times(1)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(4))));
|
||||
verify(mDisp, times(7)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(3))));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void testIntraQueuePreemptionWithDominantVCoreResource()
|
||||
throws IOException {
|
||||
/**
|
||||
* The simplest test preemption, Queue structure is:
|
||||
*
|
||||
* <pre>
|
||||
* root
|
||||
* / \
|
||||
* a b
|
||||
* </pre>
|
||||
*
|
||||
* Guaranteed resource of a/b are 40:60 Total cluster resource = 100
|
||||
* Scenario: Queue B has few running apps and two high priority apps have
|
||||
* demand. Apps which are running at low priority (4) will preempt few of
|
||||
* its resources to meet the demand.
|
||||
*/
|
||||
|
||||
conf.set(CapacitySchedulerConfiguration.INTRAQUEUE_PREEMPTION_ORDER_POLICY,
|
||||
"priority_first");
|
||||
// Set max preemption limit as 50%.
|
||||
conf.setFloat(CapacitySchedulerConfiguration.
|
||||
INTRAQUEUE_PREEMPTION_MAX_ALLOWABLE_LIMIT,
|
||||
(float) 0.5);
|
||||
|
||||
String labelsConfig = "=100:200,true;";
|
||||
String nodesConfig = // n1 has no label
|
||||
"n1= res=100:200";
|
||||
String queuesConfig =
|
||||
// guaranteed,max,used,pending,reserved
|
||||
"root(=[100:50 100:50 50:40 110:60 0]);" + // root
|
||||
"-a(=[40:20 100:50 9:9 50:30 0]);" + // a
|
||||
"-b(=[60:30 100:50 40:30 60:30 0]);"; // b
|
||||
|
||||
String appsConfig =
|
||||
// queueName\t(priority,resource,host,expression,#repeat,reserved,
|
||||
// pending)
|
||||
"a\t" // app1 in a
|
||||
+ "(1,2:1,n1,,4,false,25:25);" + // app1 a
|
||||
"a\t" // app2 in a
|
||||
+ "(1,1:3,n1,,2,false,25:25);" + // app2 a
|
||||
"b\t" // app3 in b
|
||||
+ "(4,2:1,n1,,10,false,20:20);" + // app3 b
|
||||
"b\t" // app4 in b
|
||||
+ "(4,1:2,n1,,5,false,10:10);" + // app4 b
|
||||
"b\t" // app5 in b
|
||||
+ "(5,1:1,n1,,5,false,30:20);" + // app5 b
|
||||
"b\t" // app6 in b
|
||||
+ "(6,2:1,n1,,5,false,30:20);";
|
||||
|
||||
buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
|
||||
policy.editSchedule();
|
||||
|
||||
// For queue B, app3 and app4 were of lower priority. Hence take 4
|
||||
// containers.
|
||||
verify(mDisp, times(9)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(3))));
|
||||
verify(mDisp, times(4)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(4))));
|
||||
verify(mDisp, times(4)).handle(argThat(
|
||||
new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
|
||||
getAppAttemptId(5))));
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user