[YARN-10613] Config to allow Intra- and Inter-queue preemption to enable/disable conservativeDRF. Contributed by Eric Payne
(cherry picked from commit c373da9f88
)
This commit is contained in:
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e3ef326663
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db457b056a
@ -74,4 +74,8 @@ TempQueuePerPartition getQueueByPartition(String queueName,
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@Unstable
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IntraQueuePreemptionOrderPolicy getIntraQueuePreemptionOrderPolicy();
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boolean getCrossQueuePreemptionConservativeDRF();
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boolean getInQueuePreemptionConservativeDRF();
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}
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@ -116,7 +116,9 @@ public Map<ApplicationAttemptId, Set<RMContainer>> selectCandidates(
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.tryPreemptContainerAndDeductResToObtain(rc,
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preemptionContext, resToObtainByPartition, c,
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clusterResource, selectedCandidates, curCandidates,
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totalPreemptionAllowed, false);
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totalPreemptionAllowed,
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preemptionContext.getCrossQueuePreemptionConservativeDRF()
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);
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if (!preempted) {
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continue;
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}
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@ -193,7 +195,8 @@ private void preemptAMContainers(Resource clusterResource,
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boolean preempted = CapacitySchedulerPreemptionUtils
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.tryPreemptContainerAndDeductResToObtain(rc, preemptionContext,
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resToObtainByPartition, c, clusterResource, preemptMap,
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curCandidates, totalPreemptionAllowed, false);
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curCandidates, totalPreemptionAllowed,
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preemptionContext.getCrossQueuePreemptionConservativeDRF());
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if (preempted) {
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Resources.subtractFrom(skippedAMSize, c.getAllocatedResource());
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}
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@ -229,7 +232,8 @@ private void preemptFrom(FiCaSchedulerApp app,
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CapacitySchedulerPreemptionUtils
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.tryPreemptContainerAndDeductResToObtain(rc, preemptionContext,
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resToObtainByPartition, c, clusterResource, selectedContainers,
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curCandidates, totalPreemptionAllowed, false);
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curCandidates, totalPreemptionAllowed,
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preemptionContext.getCrossQueuePreemptionConservativeDRF());
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if (!preemptionContext.isObserveOnly()) {
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preemptionContext.getRMContext().getDispatcher().getEventHandler()
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@ -273,7 +277,8 @@ private void preemptFrom(FiCaSchedulerApp app,
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CapacitySchedulerPreemptionUtils
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.tryPreemptContainerAndDeductResToObtain(rc, preemptionContext,
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resToObtainByPartition, c, clusterResource, selectedContainers,
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curCandidates, totalPreemptionAllowed, false);
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curCandidates, totalPreemptionAllowed,
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preemptionContext.getCrossQueuePreemptionConservativeDRF());
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}
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}
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@ -263,7 +263,8 @@ private void preemptFromLeastStarvedApp(LeafQueue leafQueue,
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boolean ret = CapacitySchedulerPreemptionUtils
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.tryPreemptContainerAndDeductResToObtain(rc, preemptionContext,
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resToObtainByPartition, c, clusterResource, selectedCandidates,
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curCandidates, totalPreemptedResourceAllowed, true);
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curCandidates, totalPreemptedResourceAllowed,
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preemptionContext.getInQueuePreemptionConservativeDRF());
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// Subtract from respective user's resource usage once a container is
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// selected for preemption.
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@ -112,6 +112,9 @@ public enum IntraQueuePreemptionOrderPolicy {
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private float minimumThresholdForIntraQueuePreemption;
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private IntraQueuePreemptionOrderPolicy intraQueuePreemptionOrderPolicy;
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private boolean crossQueuePreemptionConservativeDRF;
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private boolean inQueuePreemptionConservativeDRF;
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// Current configuration
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private CapacitySchedulerConfiguration csConfig;
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@ -224,6 +227,18 @@ private void updateConfigIfNeeded() {
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CapacitySchedulerConfiguration.DEFAULT_INTRAQUEUE_PREEMPTION_ORDER_POLICY)
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.toUpperCase());
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crossQueuePreemptionConservativeDRF = config.getBoolean(
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CapacitySchedulerConfiguration.
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CROSS_QUEUE_PREEMPTION_CONSERVATIVE_DRF,
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CapacitySchedulerConfiguration.
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DEFAULT_CROSS_QUEUE_PREEMPTION_CONSERVATIVE_DRF);
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inQueuePreemptionConservativeDRF = config.getBoolean(
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CapacitySchedulerConfiguration.
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IN_QUEUE_PREEMPTION_CONSERVATIVE_DRF,
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CapacitySchedulerConfiguration.
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DEFAULT_IN_QUEUE_PREEMPTION_CONSERVATIVE_DRF);
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candidatesSelectionPolicies = new ArrayList<>();
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// Do we need white queue-priority preemption policy?
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@ -299,7 +314,12 @@ private void updateConfigIfNeeded() {
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selectCandidatesForResevedContainers + "\n" +
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"additional_res_balance_based_on_reserved_containers = " +
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additionalPreemptionBasedOnReservedResource + "\n" +
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"Preemption-to-balance-queue-enabled = " + isPreemptionToBalanceRequired);
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"Preemption-to-balance-queue-enabled = " +
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isPreemptionToBalanceRequired + "\n" +
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"cross-queue-preemption.conservative-drf = " +
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crossQueuePreemptionConservativeDRF + "\n" +
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"in-queue-preemption.conservative-drf = " +
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inQueuePreemptionConservativeDRF);
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csConfig = config;
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}
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@ -422,7 +442,7 @@ private Set<String> getLeafQueueNames(TempQueuePerPartition q) {
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return leafQueueNames;
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}
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/**
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* This method selects and tracks containers to be preemptionCandidates. If a container
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* is in the target list for more than maxWaitTime it is killed.
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@ -781,6 +801,16 @@ public IntraQueuePreemptionOrderPolicy getIntraQueuePreemptionOrderPolicy() {
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return intraQueuePreemptionOrderPolicy;
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}
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@Override
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public boolean getCrossQueuePreemptionConservativeDRF() {
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return crossQueuePreemptionConservativeDRF;
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}
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@Override
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public boolean getInQueuePreemptionConservativeDRF() {
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return inQueuePreemptionConservativeDRF;
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}
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@Override
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public long getDefaultMaximumKillWaitTimeout() {
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return maxWaitTime;
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@ -1543,6 +1543,21 @@ public Integer getMaxParallelAppsForUser(String user) {
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+ INTRA_QUEUE_PREEMPTION_CONFIG_PREFIX + "preemption-order-policy";
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public static final String DEFAULT_INTRAQUEUE_PREEMPTION_ORDER_POLICY = "userlimit_first";
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/**
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* Flag to determine whether or not to preempt containers from apps where some
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* used resources are less than the user's user limit.
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*/
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public static final String CROSS_QUEUE_PREEMPTION_CONSERVATIVE_DRF =
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PREEMPTION_CONFIG_PREFIX + "conservative-drf";
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public static final Boolean DEFAULT_CROSS_QUEUE_PREEMPTION_CONSERVATIVE_DRF =
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false;
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public static final String IN_QUEUE_PREEMPTION_CONSERVATIVE_DRF =
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PREEMPTION_CONFIG_PREFIX + INTRA_QUEUE_PREEMPTION_CONFIG_PREFIX +
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"conservative-drf";
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public static final Boolean DEFAULT_IN_QUEUE_PREEMPTION_CONSERVATIVE_DRF =
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true;
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/**
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* Should we allow queues continue grow after all queue reaches their
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* guaranteed capacity.
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@ -19,9 +19,11 @@
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package org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity;
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import org.apache.hadoop.yarn.api.protocolrecords.ResourceTypes;
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import org.apache.hadoop.yarn.api.records.Resource;
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import org.apache.hadoop.yarn.api.records.ResourceInformation;
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import org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity.mockframework.ProportionalCapacityPreemptionPolicyMockFramework;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue;
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import org.apache.hadoop.yarn.util.resource.DominantResourceCalculator;
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import org.apache.hadoop.yarn.util.resource.ResourceUtils;
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import org.junit.Before;
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@ -29,8 +31,10 @@
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import java.io.IOException;
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import static org.mockito.ArgumentMatchers.any;
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import static org.mockito.ArgumentMatchers.argThat;
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import static org.mockito.Mockito.never;
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import static org.mockito.Mockito.reset;
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import static org.mockito.Mockito.times;
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import static org.mockito.Mockito.verify;
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import static org.mockito.Mockito.when;
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@ -174,4 +178,72 @@ public void test3ResourceTypesInterQueuePreemption() throws IOException {
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new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
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getAppAttemptId(2))));
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}
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@SuppressWarnings("unchecked")
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@Test
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public void testInterQueuePreemptionWithStrictAndRelaxedDRF()
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throws IOException {
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/*
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* root
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* / \ \
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* a b c
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*
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* A / B / C have 33.3 / 33.3 / 33.4 resources
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* Total cluster resource have mem=61440, cpu=600
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*
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* +=================+========================+
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* | used in queue a | user limit for queue a |
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* +=================+========================+
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* | 61440:60 | 20480:200 |
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* +=================+========================+
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* In this case, the used memory is over the user limit but the used vCores
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* is not. If conservative DRF is true, preemptions will not occur.
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* If conservative DRF is false (default) preemptions will occur.
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*/
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String labelsConfig = "=61440:600,true;";
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String nodesConfig = "n1= res=61440:600"; // n1 is default partition
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String queuesConfig =
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// guaranteed,max,used,pending,reserved
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"root(=[61440:600 61440:600 61440:600 20480:20 0]);" + // root
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"-a(=[20480:200 61440:600 61440:60 0:0 0]);" + // b
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"-b(=[20480:200 61440:600 0:0 20480:20 0]);" + // a
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"-c(=[20480:200 61440:600 0:0 0:0 0])"; // c
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String appsConfig =
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//queueName\t(priority,resource,host,expression,#repeat,reserved)
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"a\t" + "(1,1024:1,n1,,60,false,0:0,user1);" + // app1 in a
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"b\t" + "(1,0:0,n1,,0,false,20480:20,user2);"; // app2 in b
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conf.setBoolean(
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CapacitySchedulerConfiguration.CROSS_QUEUE_PREEMPTION_CONSERVATIVE_DRF,
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true);
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buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
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Resource ul = Resource.newInstance(20480, 20);
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when(((LeafQueue)(cs.getQueue("root.a")))
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.getResourceLimitForAllUsers(any(), any(), any(), any())
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).thenReturn(ul);
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policy.editSchedule();
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verify(eventHandler, times(0)).handle(argThat(
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new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
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getAppAttemptId(1))));
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reset(eventHandler);
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conf.setBoolean(
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CapacitySchedulerConfiguration.CROSS_QUEUE_PREEMPTION_CONSERVATIVE_DRF,
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false);
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buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
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ul = Resource.newInstance(20480, 20);
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when(((LeafQueue)(cs.getQueue("root.a")))
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.getResourceLimitForAllUsers(any(), any(), any(), any())
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).thenReturn(ul);
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policy.editSchedule();
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verify(eventHandler, times(20)).handle(argThat(
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new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
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getAppAttemptId(1))));
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}
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}
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@ -18,16 +18,20 @@
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package org.apache.hadoop.yarn.server.resourcemanager.monitor.capacity;
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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.mockframework.ProportionalCapacityPreemptionPolicyMockFramework;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration;
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import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueue;
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import org.apache.hadoop.yarn.util.resource.DominantResourceCalculator;
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import org.junit.Before;
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import org.junit.Test;
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import java.io.IOException;
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import static org.mockito.ArgumentMatchers.any;
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import static org.mockito.ArgumentMatchers.argThat;
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import static org.mockito.Mockito.times;
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import static org.mockito.Mockito.reset;
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import static org.mockito.Mockito.verify;
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import static org.mockito.Mockito.when;
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@ -111,6 +115,80 @@ public void testSimpleIntraQueuePreemptionWithVCoreResource()
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getAppAttemptId(3))));
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}
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@SuppressWarnings("unchecked")
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@Test
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public void testIntraQueuePreemptionFairOrderingWithStrictAndRelaxedDRF()
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throws IOException {
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/**
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* Continue to allow intra-queue preemption when only one of the user's
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* resources is above the user limit.
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* Queue structure is:
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*
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* <pre>
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* root
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* / |
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* a b
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* </pre>
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*
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* Guaranteed resource of a and b are 30720:300 and 30720:300 Total cluster
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* resource = 61440:600.
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* Scenario: Queue B has one running app using 61720:60 resources with no
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* pending resources, and one app with no used resources and 30720:30
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* pending resources.
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*
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* The first part of the test is to show what happens when the conservative
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* DRF property is set. Since the memory is above and the vcores is below
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* the user limit, only the minimum number of containers is allowed.
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* In the second part, since conservative DRF is relaxed, all containers
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* needed are allowed to be preempted (minus the AM size).
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*/
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conf.set(CapacitySchedulerConfiguration.INTRAQUEUE_PREEMPTION_ORDER_POLICY,
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"userlimit_first");
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conf.set(CapacitySchedulerConfiguration.PREFIX
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+ "root.b." + CapacitySchedulerConfiguration.ORDERING_POLICY, "fair");
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conf.setBoolean(
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CapacitySchedulerConfiguration.IN_QUEUE_PREEMPTION_CONSERVATIVE_DRF,
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true);
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String labelsConfig = "=61440:600,true;";
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String nodesConfig = // n1 has no label
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"n1= res=61440:600";
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String queuesConfig =
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// guaranteed,max,used,pending,reserved
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"root(=[61440:600 61440:600 61440:600 30720:30 0]);" + // root
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"-a(=[30720:300 61440:600 0:0 0:0 0]);" + // a
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"-b(=[30720:300 61440:600 61440:60 30720:30 0]);"; // b
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String appsConfig =
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"b\t" + "(1,1024:1,n1,,60,false,0:0,user1);" + // app1 in b
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"b\t" + "(1,0:0,n1,,0,false,30720:30,user3);"; // app2 in b
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buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
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Resource ul = Resource.newInstance(30720, 300);
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when(((LeafQueue)(cs.getQueue("root.b")))
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.getResourceLimitForAllUsers(any(), any(), any(), any())
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).thenReturn(ul);
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policy.editSchedule();
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verify(eventHandler, times(6)).handle(argThat(
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new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
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getAppAttemptId(1))));
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reset(eventHandler);
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conf.setBoolean(
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CapacitySchedulerConfiguration.IN_QUEUE_PREEMPTION_CONSERVATIVE_DRF,
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false);
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buildEnv(labelsConfig, nodesConfig, queuesConfig, appsConfig);
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when(((LeafQueue)(cs.getQueue("root.b")))
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.getResourceLimitForAllUsers(any(), any(), any(), any())
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).thenReturn(ul);
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policy.editSchedule();
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verify(eventHandler, times(29)).handle(argThat(
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new TestProportionalCapacityPreemptionPolicy.IsPreemptionRequestFor(
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getAppAttemptId(1))));
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}
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@Test
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public void testIntraQueuePreemptionWithDominantVCoreResource()
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throws IOException {
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Block a user