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YARN-8606. Opportunistic scheduling does not work post RM failover. Contributed by Bibin A Chundatt. 

(cherry picked from commit a48a0cc7fd)
This commit is contained in:
Sunil G 2018-08-01 12:17:18 +05:30
parent f4a3b26f9a
commit ff35f0c308
3 changed files with 72 additions and 13 deletions
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4
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/OpportunisticContainerAllocatorAMService.java
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@ -18,6 +18,7 @@
package org.apache.hadoop.yarn.server.resourcemanager;
import com.google.common.annotations.VisibleForTesting;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
@ -406,7 +407,8 @@ public class OpportunisticContainerAllocatorAMService
return nodeMonitor.getThresholdCalculator();
}
private synchronized List<RemoteNode> getLeastLoadedNodes() {
@VisibleForTesting
synchronized List<RemoteNode> getLeastLoadedNodes() {
long currTime = System.currentTimeMillis();
if ((currTime - lastCacheUpdateTime > cacheRefreshInterval)
|| (cachedNodes == null)) {

37
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ResourceManager.java
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@ -757,9 +757,11 @@ public class ResourceManager extends CompositeService implements Recoverable {
}
masterService = createApplicationMasterService();
createAndRegisterOpportunisticDispatcher(masterService);
addService(masterService) ;
rmContext.setApplicationMasterService(masterService);
applicationACLsManager = new ApplicationACLsManager(conf);
queueACLsManager = createQueueACLsManager(scheduler, conf);
@ -807,6 +809,23 @@ public class ResourceManager extends CompositeService implements Recoverable {
super.serviceInit(conf);
}
private void createAndRegisterOpportunisticDispatcher(
ApplicationMasterService service) {
if (!isOpportunisticSchedulingEnabled(conf)) {
return;
}
EventDispatcher oppContainerAllocEventDispatcher = new EventDispatcher(
(OpportunisticContainerAllocatorAMService) service,
OpportunisticContainerAllocatorAMService.class.getName());
// Add an event dispatcher for the
// OpportunisticContainerAllocatorAMService to handle node
// additions, updates and removals. Since the SchedulerEvent is currently
// a super set of theses, we register interest for it.
addService(oppContainerAllocEventDispatcher);
rmDispatcher
.register(SchedulerEventType.class, oppContainerAllocEventDispatcher);
}
@Override
protected void serviceStart() throws Exception {
RMStateStore rmStore = rmContext.getStateStore();
@ -1335,8 +1354,7 @@ public class ResourceManager extends CompositeService implements Recoverable {
protected ApplicationMasterService createApplicationMasterService() {
Configuration config = this.rmContext.getYarnConfiguration();
if (YarnConfiguration.isOpportunisticContainerAllocationEnabled(config)
|| YarnConfiguration.isDistSchedulingEnabled(config)) {
if (isOpportunisticSchedulingEnabled(conf)) {
if (YarnConfiguration.isDistSchedulingEnabled(config) &&
!YarnConfiguration
.isOpportunisticContainerAllocationEnabled(config)) {
@ -1348,16 +1366,6 @@ public class ResourceManager extends CompositeService implements Recoverable {
oppContainerAllocatingAMService =
new OpportunisticContainerAllocatorAMService(this.rmContext,
scheduler);
EventDispatcher oppContainerAllocEventDispatcher =
new EventDispatcher(oppContainerAllocatingAMService,
OpportunisticContainerAllocatorAMService.class.getName());
// Add an event dispatcher for the
// OpportunisticContainerAllocatorAMService to handle node
// additions, updates and removals. Since the SchedulerEvent is currently
// a super set of theses, we register interest for it.
addService(oppContainerAllocEventDispatcher);
rmDispatcher.register(SchedulerEventType.class,
oppContainerAllocEventDispatcher);
this.rmContext.setContainerQueueLimitCalculator(
oppContainerAllocatingAMService.getNodeManagerQueueLimitCalculator());
return oppContainerAllocatingAMService;
@ -1373,6 +1381,11 @@ public class ResourceManager extends CompositeService implements Recoverable {
return new RMSecretManagerService(conf, rmContext);
}
private boolean isOpportunisticSchedulingEnabled(Configuration conf) {
return YarnConfiguration.isOpportunisticContainerAllocationEnabled(conf)
|| YarnConfiguration.isDistSchedulingEnabled(conf);
}
/**
* Create RMDelegatedNodeLabelsUpdater based on configuration.
*/

44
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestRMHA.java
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@ -18,6 +18,10 @@
package org.apache.hadoop.yarn.server.resourcemanager;
import com.google.common.base.Supplier;
import org.apache.hadoop.test.GenericTestUtils;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.event.NodeUpdateSchedulerEvent;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
@ -658,6 +662,46 @@ public class TestRMHA {
assertEquals(HAServiceState.STANDBY, rm.getRMContext().getHAServiceState());
}
@Test
public void testOpportunisticAllocatorAfterFailover() throws Exception {
configuration.setBoolean(YarnConfiguration.AUTO_FAILOVER_ENABLED, false);
configuration.setBoolean(YarnConfiguration.RECOVERY_ENABLED, true);
Configuration conf = new YarnConfiguration(configuration);
conf.set(YarnConfiguration.RM_STORE, MemoryRMStateStore.class.getName());
conf.setBoolean(
YarnConfiguration.OPPORTUNISTIC_CONTAINER_ALLOCATION_ENABLED, true);
// 1. start RM
rm = new MockRM(conf);
rm.init(conf);
rm.start();
StateChangeRequestInfo requestInfo = new StateChangeRequestInfo(
HAServiceProtocol.RequestSource.REQUEST_BY_USER);
// 2. Transition to active
rm.adminService.transitionToActive(requestInfo);
// 3. Transition to standby
rm.adminService.transitionToStandby(requestInfo);
// 4. Transition to active
rm.adminService.transitionToActive(requestInfo);
MockNM nm1 = rm.registerNode("h1:1234", 8 * 1024);
RMNode rmNode1 = rm.getRMContext().getRMNodes().get(nm1.getNodeId());
rmNode1.getRMContext().getDispatcher().getEventHandler()
.handle(new NodeUpdateSchedulerEvent(rmNode1));
OpportunisticContainerAllocatorAMService appMaster =
(OpportunisticContainerAllocatorAMService) rm.getRMContext()
.getApplicationMasterService();
GenericTestUtils.waitFor(new Supplier<Boolean>() {
@Override
public Boolean get() {
return appMaster.getLeastLoadedNodes().size() == 1;
}
}, 100, 3000);
rm.stop();
Assert.assertEquals(1, appMaster.getLeastLoadedNodes().size());
}
@Test
public void testResourceProfilesManagerAfterRMWentStandbyThenBackToActive()
throws Exception {