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MAPREDUCE-4951. Container preemption interpreted as task failure. Contributed by Sandy Ryza. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1448615 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Thomas White 2013-02-21 11:56:08 +00:00
parent 87035a004c
commit 0b73dde6ce
4 changed files with 48 additions and 3 deletions
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3
hadoop-mapreduce-project/CHANGES.txt
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@ -183,6 +183,9 @@ Release 2.0.4-beta - UNRELEASED
MAPREDUCE-5013. mapred.JobStatus compatibility: MR2 missing constructors
from MR1. (Sandy Ryza via tomwhite)
MAPREDUCE-4951. Container preemption interpreted as task failure.
(Sandy Ryza via tomwhite)
Release 2.0.3-alpha - 2013-02-06
INCOMPATIBLE CHANGES

1
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/job/impl/TaskAttemptImpl.java
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@ -238,7 +238,6 @@ public abstract class TaskAttemptImpl implements
TaskAttemptStateInternal.FAIL_CONTAINER_CLEANUP,
TaskAttemptEventType.TA_CONTAINER_COMPLETED,
CLEANUP_CONTAINER_TRANSITION)
// ^ If RM kills the container due to expiry, preemption etc.
.addTransition(TaskAttemptStateInternal.ASSIGNED,
TaskAttemptStateInternal.KILL_CONTAINER_CLEANUP,
TaskAttemptEventType.TA_KILL, CLEANUP_CONTAINER_TRANSITION)

20
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/rm/RMContainerAllocator.java
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@ -67,9 +67,12 @@ import org.apache.hadoop.yarn.api.records.NodeId;
import org.apache.hadoop.yarn.api.records.NodeReport;
import org.apache.hadoop.yarn.api.records.NodeState;
import org.apache.hadoop.yarn.api.records.Priority;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.factory.providers.RecordFactoryProvider;
import org.apache.hadoop.yarn.util.RackResolver;
import com.google.common.annotations.VisibleForTesting;
/**
* Allocates the container from the ResourceManager scheduler.
*/
@ -606,8 +609,8 @@ public class RMContainerAllocator extends RMContainerRequestor
assignedRequests.remove(attemptID);
// send the container completed event to Task attempt
eventHandler.handle(new TaskAttemptEvent(attemptID,
TaskAttemptEventType.TA_CONTAINER_COMPLETED));
eventHandler.handle(createContainerFinishedEvent(cont, attemptID));
// Send the diagnostics
String diagnostics = StringInterner.weakIntern(cont.getDiagnostics());
eventHandler.handle(new TaskAttemptDiagnosticsUpdateEvent(attemptID,
@ -617,6 +620,19 @@ public class RMContainerAllocator extends RMContainerRequestor
return newContainers;
}
@VisibleForTesting
public TaskAttemptEvent createContainerFinishedEvent(ContainerStatus cont,
TaskAttemptId attemptID) {
if (cont.getExitStatus() == YarnConfiguration.ABORTED_CONTAINER_EXIT_STATUS) {
// killed by framework
return new TaskAttemptEvent(attemptID,
TaskAttemptEventType.TA_KILL);
} else {
return new TaskAttemptEvent(attemptID,
TaskAttemptEventType.TA_CONTAINER_COMPLETED);
}
}
@SuppressWarnings("unchecked")
private void handleUpdatedNodes(AMResponse response) {
// send event to the job about on updated nodes

27
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/TestRMContainerAllocator.java
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@ -83,6 +83,7 @@ import org.apache.hadoop.yarn.api.records.ContainerState;
import org.apache.hadoop.yarn.api.records.ContainerStatus;
import org.apache.hadoop.yarn.api.records.Resource;
import org.apache.hadoop.yarn.api.records.ResourceRequest;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.event.Dispatcher;
import org.apache.hadoop.yarn.event.DrainDispatcher;
import org.apache.hadoop.yarn.event.Event;
@ -1645,6 +1646,32 @@ public class TestRMContainerAllocator {
Assert.assertTrue(callbackCalled.get());
}
@Test
public void testCompletedContainerEvent() {
RMContainerAllocator allocator = new RMContainerAllocator(
mock(ClientService.class), mock(AppContext.class));
TaskAttemptId attemptId = MRBuilderUtils.newTaskAttemptId(
MRBuilderUtils.newTaskId(
MRBuilderUtils.newJobId(1, 1, 1), 1, TaskType.MAP), 1);
ContainerId containerId = BuilderUtils.newContainerId(1, 1, 1, 1);
ContainerStatus status = BuilderUtils.newContainerStatus(
containerId, ContainerState.RUNNING, "", 0);
ContainerStatus abortedStatus = BuilderUtils.newContainerStatus(
containerId, ContainerState.RUNNING, "",
YarnConfiguration.ABORTED_CONTAINER_EXIT_STATUS);
TaskAttemptEvent event = allocator.createContainerFinishedEvent(status,
attemptId);
Assert.assertEquals(TaskAttemptEventType.TA_CONTAINER_COMPLETED,
event.getType());
TaskAttemptEvent abortedEvent = allocator.createContainerFinishedEvent(
abortedStatus, attemptId);
Assert.assertEquals(TaskAttemptEventType.TA_KILL, abortedEvent.getType());
}
public static void main(String[] args) throws Exception {
TestRMContainerAllocator t = new TestRMContainerAllocator();
t.testSimple();