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YARN-7382. NoSuchElementException in FairScheduler after failover causes RM crash (rkanter) 

(cherry picked from commit 025c656572)
This commit is contained in:
Robert Kanter 2017-10-24 10:21:44 -07:00
parent 3d36f75f23
commit 1d34a4805e
2 changed files with 28 additions and 3 deletions
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10
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSAppAttempt.java
View File

@ -665,6 +665,16 @@ public class FSAppAttempt extends SchedulerApplicationAttempt
if (!rmContainer.getState().equals(RMContainerState.COMPLETED)) {
getQueue().incUsedResource(rmContainer.getContainer().getResource());
}
// If not running unmanaged, the first container we recover is always
// the AM. Set the amResource for this app and update the leaf queue's AM
// usage
if (!isAmRunning() && !getUnmanagedAM()) {
Resource resource = rmContainer.getAllocatedResource();
setAMResource(resource);
getQueue().addAMResourceUsage(resource);
setAmRunning(true);
}
} finally {
writeLock.unlock();
}

21
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestWorkPreservingRMRestart.java
View File

@ -66,6 +66,7 @@ import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.LeafQueu
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.ParentQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSAppAttempt;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSParentQueue;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSQueueMetrics;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairSchedulerConfiguration;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairSchedulerTestBase;
@ -154,6 +155,7 @@ public class TestWorkPreservingRMRestart extends ParameterizedSchedulerTestBase
new MockNM("127.0.0.1:1234", 8192, rm1.getResourceTrackerService());
nm1.registerNode();
RMApp app1 = rm1.submitApp(200);
Resource amResources = app1.getAMResourceRequests().get(0).getCapability();
MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
// clear queue metrics
@ -236,7 +238,8 @@ public class TestWorkPreservingRMRestart extends ParameterizedSchedulerTestBase
if (getSchedulerType() == SchedulerType.CAPACITY) {
checkCSQueue(rm2, schedulerApp, nmResource, nmResource, usedResources, 2);
} else {
checkFSQueue(rm2, schedulerApp, usedResources, availableResources);
checkFSQueue(rm2, schedulerApp, usedResources, availableResources,
amResources);
}
// *********** check scheduler attempt state.********
@ -306,6 +309,7 @@ public class TestWorkPreservingRMRestart extends ParameterizedSchedulerTestBase
RMApp app1 = rm1.submitApp(200, "dynamicQApp",
UserGroupInformation.getCurrentUser().getShortUserName(), null,
ReservationSystemTestUtil.getReservationQueueName());
Resource amResources = app1.getAMResourceRequests().get(0).getCapability();
MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
// clear queue metrics
@ -380,7 +384,8 @@ public class TestWorkPreservingRMRestart extends ParameterizedSchedulerTestBase
if (getSchedulerType() == SchedulerType.CAPACITY) {
checkCSQueue(rm2, schedulerApp, nmResource, nmResource, usedResources, 2);
} else {
checkFSQueue(rm2, schedulerApp, usedResources, availableResources);
checkFSQueue(rm2, schedulerApp, usedResources, availableResources,
amResources);
}
// *********** check scheduler attempt state.********
@ -452,7 +457,7 @@ public class TestWorkPreservingRMRestart extends ParameterizedSchedulerTestBase
private void checkFSQueue(ResourceManager rm,
SchedulerApplication schedulerApp, Resource usedResources,
Resource availableResources) throws Exception {
Resource availableResources, Resource amResources) throws Exception {
// waiting for RM's scheduling apps
int retry = 0;
Resource assumedFairShare = Resource.newInstance(8192, 8);
@ -484,6 +489,16 @@ public class TestWorkPreservingRMRestart extends ParameterizedSchedulerTestBase
assertMetrics(queueMetrics, 1, 0, 1, 0, 2, availableResources.getMemorySize(),
availableResources.getVirtualCores(), usedResources.getMemorySize(),
usedResources.getVirtualCores());
// ************ check AM resources ****************
assertEquals(amResources,
schedulerApp.getCurrentAppAttempt().getAMResource());
FSQueueMetrics fsQueueMetrics =
(FSQueueMetrics) schedulerApp.getQueue().getMetrics();
assertEquals(amResources.getMemorySize(),
fsQueueMetrics.getAMResourceUsageMB());
assertEquals(amResources.getVirtualCores(),
fsQueueMetrics.getAMResourceUsageVCores());
}
// create 3 container reports for AM