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YARN-10604. Support auto queue creation without mapping rules. Contributed by Andras Gyori

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This commit is contained in:
Szilard Nemeth 2021-02-02 09:07:25 +01:00
parent 1b893e10ae
commit 7d88953768
2 changed files with 45 additions and 3 deletions
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18
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
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@ -932,12 +932,26 @@ private CSQueue getOrCreateQueueFromPlacementContext(ApplicationId
boolean isRecovery) {
CSQueue queue = getQueue(queueName);
ApplicationPlacementContext fallbackContext = placementContext;
if (queue == null) {
if (placementContext != null && placementContext.hasParentQueue()) {
// Even if placement rules are turned off, we still have the opportunity
// to auto create a queue.
if (placementContext == null) {
fallbackContext = CSQueueUtils.extractQueuePath(queueName);
}
if (fallbackContext.hasParentQueue()) {
try {
return autoCreateLeafQueue(placementContext);
return autoCreateLeafQueue(fallbackContext);
} catch (YarnException | IOException e) {
// A null queue is expected if the placementContext is null. In order
// not to disrupt the control flow, if we fail to auto create a queue,
// we fall back to the original logic.
if (placementContext == null) {
LOG.error("Could not auto-create leaf queue " + queueName +
" due to : ", e);
return null;
}
if (isRecovery) {
if (!getConfiguration().shouldAppFailFast(getConfig())) {
LOG.error("Could not auto-create leaf queue " + queueName +

28
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestCapacitySchedulerNewQueueAutoCreation.java
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@ -18,14 +18,21 @@
package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.exceptions.YarnException;
import org.apache.hadoop.yarn.server.resourcemanager.MockNM;
import org.apache.hadoop.yarn.server.resourcemanager.MockRM;
import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.NullRMNodeLabelsManager;
import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager;
import org.apache.hadoop.yarn.server.resourcemanager.placement.ApplicationPlacementContext;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerDynamicEditException;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppAddedSchedulerEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.AppAttemptAddedSchedulerEvent;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.SchedulerEvent;
import org.apache.hadoop.yarn.server.utils.BuilderUtils;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
@ -462,6 +469,27 @@ public void testChildlessParentQueueWhenAutoQueueCreationEnabled()
((ParentQueue)empty).isEligibleForAutoQueueCreation());
}
@Test
public void testAutoQueueCreationWithDisabledMappingRules() throws Exception {
startScheduler();
ApplicationId appId = BuilderUtils.newApplicationId(1, 1);
// Set ApplicationPlacementContext to null in the submitted application
// in order to imitate a submission with mapping rules turned off
SchedulerEvent addAppEvent = new AppAddedSchedulerEvent(appId,
"root.a.a1-auto.a2-auto", USER0, null);
ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId(
appId, 1);
SchedulerEvent addAttemptEvent = new AppAttemptAddedSchedulerEvent(
appAttemptId, false);
cs.handle(addAppEvent);
cs.handle(addAttemptEvent);
CSQueue a2Auto = cs.getQueue("root.a.a1-auto.a2-auto");
Assert.assertNotNull(a2Auto);
}
@Test
public void testAutoCreateQueueUserLimitDisabled() throws Exception {
startScheduler();
createBasicQueueStructureAndValidate();