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YARN-5262. Optimize sending RMNodeFinishedContainersPulledByAMEvent for every AM heartbeat.

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(cherry picked from commit 26b5e6116f392b6be91dca57968259f87554ce33)
This commit is contained in:
Rohith Sharma K S 2016-06-29 10:08:30 +05:30
parent 1e34763181
commit d3fc1bddea
2 changed files with 13 additions and 3 deletions
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9
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java
View File

@ -826,9 +826,11 @@ public List<ContainerStatus> pullJustFinishedContainers() {
}
}
finishedContainersSentToAM.putIfAbsent(nodeId, new ArrayList
<ContainerStatus>());
finishedContainersSentToAM.get(nodeId).addAll(finishedContainers);
if (!finishedContainers.isEmpty()) {
finishedContainersSentToAM.putIfAbsent(nodeId,
new ArrayList<ContainerStatus>());
finishedContainersSentToAM.get(nodeId).addAll(finishedContainers);
}
}
return returnList;
@ -1871,6 +1873,7 @@ private void sendFinishedContainersToNM() {
eventHandler.handle(new RMNodeFinishedContainersPulledByAMEvent(nodeId,
containerIdList));
}
this.finishedContainersSentToAM.clear();
}
// Add am container to the list so that am container instance will be

7
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/TestRMAppAttemptTransitions.java
View File

@ -1444,6 +1444,13 @@ public void testFinishedContainer() {
Assert.assertTrue(applicationAttempt.getJustFinishedContainers().isEmpty());
Assert.assertEquals(0, getFinishedContainersSentToAM(applicationAttempt)
.size());
// verify if no containers to acknowledge to NM then event should not be
// triggered. Number of times event invoked is 1 i.e on second pull
containerStatuses = applicationAttempt.pullJustFinishedContainers();
Assert.assertEquals(0, containerStatuses.size());
Mockito.verify(rmnodeEventHandler, times(1))
.handle(Mockito.any(RMNodeEvent.class));
}
private static List<ContainerStatus> getFinishedContainersSentToAM(