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YARN-9795. ClusterMetrics to include AM allocation delay. Contributed by Fengnan Li.

This commit is contained in:
Tao Yang 2019-09-07 07:52:39 +08:00
parent 3cc21350b5
commit 1f6f4a2457
3 changed files with 24 additions and 1 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/ClusterMetrics.java
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@ -48,6 +48,8 @@ public class ClusterMetrics {
@Metric("# of Shutdown NMs") MutableGaugeInt numShutdownNMs;
@Metric("AM container launch delay") MutableRate aMLaunchDelay;
@Metric("AM register delay") MutableRate aMRegisterDelay;
@Metric("AM container allocation delay")
private MutableRate aMContainerAllocationDelay;
private static final MetricsInfo RECORD_INFO = info("ClusterMetrics",
"Metrics for the Yarn Cluster");
@ -190,4 +192,11 @@ public class ClusterMetrics {
aMRegisterDelay.add(delay);
}
public void addAMContainerAllocationDelay(long delay) {
aMContainerAllocationDelay.add(delay);
}
public MutableRate getAMContainerAllocationDelay() {
return aMContainerAllocationDelay;
}
}

8
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
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@ -176,6 +176,8 @@ public class RMAppAttemptImpl implements RMAppAttempt, Recoverable {
private long finishTime = 0;
private long launchAMStartTime = 0;
private long launchAMEndTime = 0;
private long scheduledTime = 0;
private long containerAllocatedTime = 0;
// Set to null initially. Will eventually get set
// if an RMAppAttemptUnregistrationEvent occurs
@ -1170,6 +1172,7 @@ public class RMAppAttemptImpl implements RMAppAttempt, Recoverable {
&& amContainerAllocation.getContainers() != null) {
assert (amContainerAllocation.getContainers().size() == 0);
}
appAttempt.scheduledTime = System.currentTimeMillis();
return RMAppAttemptState.SCHEDULED;
} else {
// save state and then go to LAUNCHED state
@ -1226,6 +1229,11 @@ public class RMAppAttemptImpl implements RMAppAttempt, Recoverable {
.clearNodeSetForAttempt(appAttempt.applicationAttemptId);
appAttempt.getSubmissionContext().setResource(
appAttempt.getMasterContainer().getResource());
appAttempt.containerAllocatedTime = System.currentTimeMillis();
long allocationDelay =
appAttempt.containerAllocatedTime - appAttempt.scheduledTime;
ClusterMetrics.getMetrics().addAMContainerAllocationDelay(
allocationDelay);
appAttempt.storeAttempt();
return RMAppAttemptState.ALLOCATED_SAVING;
}

8
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClusterMetrics.java
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@ -29,17 +29,23 @@ public class TestClusterMetrics {
private ClusterMetrics metrics;
/**
* Test aMLaunchDelay and aMRegisterDelay Metrics
* Test below metrics
* - aMLaunchDelay
* - aMRegisterDelay
* - aMContainerAllocationDelay
*/
@Test
public void testAmMetrics() throws Exception {
assert(metrics != null);
Assert.assertTrue(!metrics.aMLaunchDelay.changed());
Assert.assertTrue(!metrics.aMRegisterDelay.changed());
Assert.assertTrue(!metrics.getAMContainerAllocationDelay().changed());
metrics.addAMLaunchDelay(1);
metrics.addAMRegisterDelay(1);
metrics.addAMContainerAllocationDelay(1);
Assert.assertTrue(metrics.aMLaunchDelay.changed());
Assert.assertTrue(metrics.aMRegisterDelay.changed());
Assert.assertTrue(metrics.getAMContainerAllocationDelay().changed());
}
@Before