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YARN-5342. Improve non-exclusive node partition resource allocation in Capacity Scheduler. (Sunil G via wangda)

This commit is contained in:
Wangda Tan 2016-08-03 11:29:12 -07:00
parent 33a87ffe10
commit c322e749d6
3 changed files with 21 additions and 12 deletions
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12
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/allocator/RegularContainerAllocator.java
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@ -18,6 +18,7 @@
package org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.allocator;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.yarn.api.records.Container;
@ -660,9 +661,16 @@ ContainerAllocation doAllocation(ContainerAllocation allocationResult,
}
// Non-exclusive scheduling opportunity is different: we need reset
// it every time to make sure non-labeled resource request will be
// it when:
// - It allocated on the default partition
//
// This is to make sure non-labeled resource request will be
// most likely allocated on non-labeled nodes first.
application.resetMissedNonPartitionedRequestSchedulingOpportunity(priority);
if (StringUtils.equals(node.getPartition(),
RMNodeLabelsManager.NO_LABEL)) {
application
.resetMissedNonPartitionedRequestSchedulingOpportunity(priority);
}
}
return allocationResult;

2
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestApplicationPriority.java
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@ -47,6 +47,7 @@
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppImpl;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptImpl;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptMetrics;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptState;
import org.apache.hadoop.yarn.server.resourcemanager.rmnode.RMNode;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.ResourceScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNodeReport;
@ -280,6 +281,7 @@ public void testPriorityWithPendingApplications() throws Exception {
// If app3 (highest priority among rest) gets active, it indicates that
// priority is working with pendingApplications.
rm.killApp(app1.getApplicationId());
rm.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.KILLED);
// kick the scheduler, app3 (high among pending) gets free space
MockAM am3 = MockRM.launchAM(app3, rm, nm1);

13
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestNodeLabelContainerAllocation.java
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@ -691,20 +691,19 @@ public RMNodeLabelsManager createNodeLabelManager() {
MockNM nm1 = rm1.registerNode("h1:1234", 8 * GB); // label = y
MockNM nm2 = rm1.registerNode("h2:1234", 100 * GB); // label = <empty>
ContainerId nextContainerId;
// launch an app to queue b1 (label = y), AM container should be launched in nm3
RMApp app1 = rm1.submitApp(1 * GB, "app", "user", null, "b1");
MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm2);
// request containers from am2, priority=1 asks for "" and priority=2 asks
// for "y", "y" container should be allocated first
nextContainerId =
ContainerId.newContainerId(am1.getApplicationAttemptId(), 2);
am1.allocate("*", 1 * GB, 1, 1, new ArrayList<ContainerId>(), "");
am1.allocate("*", 1 * GB, 1, 2, new ArrayList<ContainerId>(), "y");
Assert.assertTrue(rm1.waitForState(nm1, nextContainerId,
RMContainerState.ALLOCATED, 10 * 1000));
// Do a node heartbeat once
CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
cs.handle(new NodeUpdateSchedulerEvent(
rm1.getRMContext().getRMNodes().get(nm1.getNodeId())));
// Check pending resource for am2, priority=1 doesn't get allocated before
// priority=2 allocated
@ -1583,7 +1582,7 @@ public RMNodeLabelsManager createNodeLabelManager() {
// Test case 7
// After c allocated, d will go first because it has less used_capacity(x)
// than c
doNMHeartbeat(rm, nm1.getNodeId(), 2);
doNMHeartbeat(rm, nm1.getNodeId(), 1);
checkNumOfContainersInAnAppOnGivenNode(2, nm1.getNodeId(),
cs.getApplicationAttempt(am1.getApplicationAttemptId()));
checkNumOfContainersInAnAppOnGivenNode(3, nm1.getNodeId(),