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YARN-4479. Change CS LeafQueue pendingOrderingPolicy to hornor recovered apps. Contributed by Rohith Sharma K S

This commit is contained in:
Jian He 2016-01-08 15:51:10 -08:00
parent fd8065a763
commit 109e528ef5
8 changed files with 241 additions and 13 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -1229,6 +1229,9 @@ Release 2.8.0 - UNRELEASED
YARN-4546. ResourceManager crash due to scheduling opportunity overflow.
(Jason Lowe via junping_du)
YARN-4479. Change CS LeafQueue pendingOrderingPolicy to hornor recovered apps.
(Rohith Sharma K S via jianhe)
Release 2.7.3 - UNRELEASED
INCOMPATIBLE CHANGES

2
hadoop-yarn-project/hadoop-yarn/dev-support/findbugs-exclude.xml
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@ -205,6 +205,8 @@
<Field name="userLimitFactor" />
<Field name="maxAMResourcePerQueuePercent" />
<Field name="lastClusterResource" />
<Field name="pendingOrderingPolicy" />
<Field name="pendingOPForRecoveredApps" />
</Or>
<Bug pattern="IS2_INCONSISTENT_SYNC" />
</Match>

9
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerApplicationAttempt.java
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@ -109,6 +109,7 @@ public class SchedulerApplicationAttempt implements SchedulableEntity {
private LogAggregationContext logAggregationContext;
private volatile Priority appPriority = null;
private boolean isAttemptRecovering;
protected ResourceUsage attemptResourceUsage = new ResourceUsage();
private AtomicLong firstAllocationRequestSentTime = new AtomicLong(0);
@ -967,6 +968,14 @@ public class SchedulerApplicationAttempt implements SchedulableEntity {
// queue's resource usage for specific partition
}
public boolean isAttemptRecovering() {
return isAttemptRecovering;
}
protected void setAttemptRecovering(boolean isRecovering) {
this.isAttemptRecovering = isRecovering;
}
public static enum AMState {
UNMANAGED("User launched the Application Master, since it's unmanaged. "),
INACTIVATED("Application is added to the scheduler and is not yet activated. "),

2
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.java
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@ -783,7 +783,7 @@ public class CapacityScheduler extends
FiCaSchedulerApp attempt = new FiCaSchedulerApp(applicationAttemptId,
application.getUser(), queue, queue.getActiveUsersManager(), rmContext,
application.getPriority());
application.getPriority(), isAttemptRecovering);
if (transferStateFromPreviousAttempt) {
attempt.transferStateFromPreviousAttempt(
application.getCurrentAppAttempt());

63
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/LeafQueue.java
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@ -95,6 +95,9 @@ public class LeafQueue extends AbstractCSQueue {
private OrderingPolicy<FiCaSchedulerApp> pendingOrderingPolicy = null;
// Always give preference to this while activating the application attempts.
private OrderingPolicy<FiCaSchedulerApp> pendingOPForRecoveredApps = null;
private volatile float minimumAllocationFactor;
private Map<String, User> users = new HashMap<String, User>();
@ -156,6 +159,8 @@ public class LeafQueue extends AbstractCSQueue {
setOrderingPolicy(conf.<FiCaSchedulerApp>getOrderingPolicy(getQueuePath()));
setPendingAppsOrderingPolicy(conf
.<FiCaSchedulerApp> getOrderingPolicy(getQueuePath()));
setPendingAppsOrderingPolicyRecovery(conf
.<FiCaSchedulerApp> getOrderingPolicy(getQueuePath()));
userLimit = conf.getUserLimit(getQueuePath());
userLimitFactor = conf.getUserLimitFactor(getQueuePath());
@ -320,7 +325,8 @@ public class LeafQueue extends AbstractCSQueue {
}
public synchronized int getNumPendingApplications() {
return pendingOrderingPolicy.getNumSchedulableEntities();
return pendingOrderingPolicy.getNumSchedulableEntities()
+ pendingOPForRecoveredApps.getNumSchedulableEntities();
}
public synchronized int getNumActiveApplications() {
@ -599,9 +605,19 @@ public class LeafQueue extends AbstractCSQueue {
Map<String, Resource> userAmPartitionLimit =
new HashMap<String, Resource>();
for (Iterator<FiCaSchedulerApp> i = getPendingAppsOrderingPolicy()
.getAssignmentIterator(); i.hasNext();) {
FiCaSchedulerApp application = i.next();
activateApplications(getPendingAppsOrderingPolicyRecovery()
.getAssignmentIterator(), amPartitionLimit, userAmPartitionLimit);
activateApplications(
getPendingAppsOrderingPolicy().getAssignmentIterator(),
amPartitionLimit, userAmPartitionLimit);
}
private synchronized void activateApplications(
Iterator<FiCaSchedulerApp> fsApp, Map<String, Resource> amPartitionLimit,
Map<String, Resource> userAmPartitionLimit) {
while (fsApp.hasNext()) {
FiCaSchedulerApp application = fsApp.next();
ApplicationId applicationId = application.getApplicationId();
// Get the am-node-partition associated with each application
@ -692,7 +708,7 @@ public class LeafQueue extends AbstractCSQueue {
metrics.incAMUsed(application.getUser(),
application.getAMResource(partitionName));
metrics.setAMResouceLimitForUser(application.getUser(), userAMLimit);
i.remove();
fsApp.remove();
LOG.info("Application " + applicationId + " from user: "
+ application.getUser() + " activated in queue: " + getQueueName());
}
@ -702,7 +718,11 @@ public class LeafQueue extends AbstractCSQueue {
User user) {
// Accept
user.submitApplication();
getPendingAppsOrderingPolicy().addSchedulableEntity(application);
if (application.isAttemptRecovering()) {
getPendingAppsOrderingPolicyRecovery().addSchedulableEntity(application);
} else {
getPendingAppsOrderingPolicy().addSchedulableEntity(application);
}
applicationAttemptMap.put(application.getApplicationAttemptId(), application);
// Activate applications
@ -742,7 +762,11 @@ public class LeafQueue extends AbstractCSQueue {
boolean wasActive =
orderingPolicy.removeSchedulableEntity(application);
if (!wasActive) {
pendingOrderingPolicy.removeSchedulableEntity(application);
if (application.isAttemptRecovering()) {
pendingOPForRecoveredApps.removeSchedulableEntity(application);
} else {
pendingOrderingPolicy.removeSchedulableEntity(application);
}
} else {
queueUsage.decAMUsed(partitionName,
application.getAMResource(partitionName));
@ -1491,7 +1515,11 @@ public class LeafQueue extends AbstractCSQueue {
* Obtain (read-only) collection of pending applications.
*/
public Collection<FiCaSchedulerApp> getPendingApplications() {
return pendingOrderingPolicy.getSchedulableEntities();
Collection<FiCaSchedulerApp> pendingApps =
new ArrayList<FiCaSchedulerApp>();
pendingApps.addAll(pendingOPForRecoveredApps.getSchedulableEntities());
pendingApps.addAll(pendingOrderingPolicy.getSchedulableEntities());
return pendingApps;
}
/**
@ -1535,6 +1563,10 @@ public class LeafQueue extends AbstractCSQueue {
@Override
public synchronized void collectSchedulerApplications(
Collection<ApplicationAttemptId> apps) {
for (FiCaSchedulerApp pendingApp : pendingOPForRecoveredApps
.getSchedulableEntities()) {
apps.add(pendingApp.getApplicationAttemptId());
}
for (FiCaSchedulerApp pendingApp : pendingOrderingPolicy
.getSchedulableEntities()) {
apps.add(pendingApp.getApplicationAttemptId());
@ -1670,6 +1702,21 @@ public class LeafQueue extends AbstractCSQueue {
this.pendingOrderingPolicy = pendingOrderingPolicy;
}
public synchronized OrderingPolicy<FiCaSchedulerApp>
getPendingAppsOrderingPolicyRecovery() {
return pendingOPForRecoveredApps;
}
public synchronized void setPendingAppsOrderingPolicyRecovery(
OrderingPolicy<FiCaSchedulerApp> pendingOrderingPolicyRecovery) {
if (null != this.pendingOPForRecoveredApps) {
pendingOrderingPolicyRecovery
.addAllSchedulableEntities(this.pendingOPForRecoveredApps
.getSchedulableEntities());
}
this.pendingOPForRecoveredApps = pendingOrderingPolicyRecovery;
}
/*
* Holds shared values used by all applications in
* the queue to calculate headroom on demand

5
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerApp.java
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@ -99,12 +99,12 @@ public class FiCaSchedulerApp extends SchedulerApplicationAttempt {
String user, Queue queue, ActiveUsersManager activeUsersManager,
RMContext rmContext) {
this(applicationAttemptId, user, queue, activeUsersManager, rmContext,
Priority.newInstance(0));
Priority.newInstance(0), false);
}
public FiCaSchedulerApp(ApplicationAttemptId applicationAttemptId,
String user, Queue queue, ActiveUsersManager activeUsersManager,
RMContext rmContext, Priority appPriority) {
RMContext rmContext, Priority appPriority, boolean isAttemptRecovering) {
super(applicationAttemptId, user, queue, activeUsersManager, rmContext);
RMApp rmApp = rmContext.getRMApps().get(getApplicationId());
@ -129,6 +129,7 @@ public class FiCaSchedulerApp extends SchedulerApplicationAttempt {
setAppAMNodePartitionName(partition);
setAMResource(partition, amResource);
setPriority(appPriority);
setAttemptRecovering(isAttemptRecovering);
scheduler = rmContext.getScheduler();

164
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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@ -34,6 +34,8 @@ import org.apache.hadoop.yarn.api.records.Container;
import org.apache.hadoop.yarn.api.records.ContainerId;
import org.apache.hadoop.yarn.api.records.Priority;
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.server.resourcemanager.MockAM;
import org.apache.hadoop.yarn.server.resourcemanager.MockNM;
import org.apache.hadoop.yarn.server.resourcemanager.MockNodes;
@ -567,4 +569,166 @@ public class TestApplicationPriority {
Assert.assertEquals(6, schedulerAppAttemptApp1.getLiveContainers().size());
rm.stop();
}
/**
* <p>
* Test case verifies the order of applications activated after RM Restart.
* </p>
* <li>App-1 and app-2 submitted and scheduled and running with a priority
* 5 and 6 Respectively</li>
* <li>App-3 submitted and scheduled with a priority 7. This
* is not activated since AMResourceLimit is reached</li>
* <li>RM restarted</li>
* <li>App-1 get activated nevertheless of AMResourceLimit</li>
* <li>App-2 and app-3 put in pendingOrderingPolicy</li>
* <li>After NM registration, app-3 is activated</li>
* <p>
* Expected Output : App-2 must get activated since app-2 was running earlier
* </p>
* @throws Exception
*/
@Test
public void testOrderOfActivatingThePriorityApplicationOnRMRestart()
throws Exception {
conf.setBoolean(YarnConfiguration.RECOVERY_ENABLED, true);
conf.setBoolean(YarnConfiguration.RM_WORK_PRESERVING_RECOVERY_ENABLED, true);
conf.set(YarnConfiguration.RM_STORE, MemoryRMStateStore.class.getName());
conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS,
YarnConfiguration.DEFAULT_RM_AM_MAX_ATTEMPTS);
conf.setInt(YarnConfiguration.MAX_CLUSTER_LEVEL_APPLICATION_PRIORITY, 10);
final DrainDispatcher dispatcher = new DrainDispatcher();
MemoryRMStateStore memStore = new MemoryRMStateStore();
memStore.init(conf);
MockRM rm1 = new MockRM(conf, memStore) {
@Override
protected Dispatcher createDispatcher() {
return dispatcher;
}
};
rm1.start();
MockNM nm1 =
new MockNM("127.0.0.1:1234", 16384, rm1.getResourceTrackerService());
nm1.registerNode();
dispatcher.await();
ResourceScheduler scheduler = rm1.getRMContext().getScheduler();
LeafQueue defaultQueue =
(LeafQueue) ((CapacityScheduler) scheduler).getQueue("default");
int memory = defaultQueue.getAMResourceLimit().getMemory() / 2;
// App-1 with priority 5 submitted and running
Priority appPriority1 = Priority.newInstance(5);
RMApp app1 = rm1.submitApp(memory, appPriority1);
MockAM am1 = MockRM.launchAM(app1, rm1, nm1);
am1.registerAppAttempt();
// App-2 with priority 6 submitted and running
Priority appPriority2 = Priority.newInstance(6);
RMApp app2 = rm1.submitApp(memory, appPriority2);
MockAM am2 = MockRM.launchAM(app2, rm1, nm1);
am2.registerAppAttempt();
dispatcher.await();
Assert.assertEquals(2, defaultQueue.getNumActiveApplications());
Assert.assertEquals(0, defaultQueue.getNumPendingApplications());
// App-3 with priority 7 submitted and scheduled. But not activated since
// AMResourceLimit threshold
Priority appPriority3 = Priority.newInstance(7);
RMApp app3 = rm1.submitApp(memory, appPriority3);
dispatcher.await();
Assert.assertEquals(2, defaultQueue.getNumActiveApplications());
Assert.assertEquals(1, defaultQueue.getNumPendingApplications());
Iterator<FiCaSchedulerApp> iterator =
defaultQueue.getOrderingPolicy().getSchedulableEntities().iterator();
FiCaSchedulerApp fcApp2 = iterator.next();
Assert.assertEquals(app2.getCurrentAppAttempt().getAppAttemptId(),
fcApp2.getApplicationAttemptId());
FiCaSchedulerApp fcApp1 = iterator.next();
Assert.assertEquals(app1.getCurrentAppAttempt().getAppAttemptId(),
fcApp1.getApplicationAttemptId());
iterator = defaultQueue.getPendingApplications().iterator();
FiCaSchedulerApp fcApp3 = iterator.next();
Assert.assertEquals(app3.getCurrentAppAttempt().getAppAttemptId(),
fcApp3.getApplicationAttemptId());
final DrainDispatcher dispatcher1 = new DrainDispatcher();
// create new RM to represent restart and recover state
MockRM rm2 = new MockRM(conf, memStore) {
@Override
protected Dispatcher createDispatcher() {
return dispatcher1;
}
};
// start new RM
rm2.start();
// change NM to point to new RM
nm1.setResourceTrackerService(rm2.getResourceTrackerService());
// Verify RM Apps after this restart
Assert.assertEquals(3, rm2.getRMContext().getRMApps().size());
dispatcher1.await();
scheduler = rm2.getRMContext().getScheduler();
defaultQueue =
(LeafQueue) ((CapacityScheduler) scheduler).getQueue("default");
// wait for all applications to get added to scheduler
int count = 5;
while (count-- > 0) {
if ((defaultQueue.getNumActiveApplications() + defaultQueue
.getNumPendingApplications()) == 3) {
break;
}
Thread.sleep(500);
}
// Before NM registration, AMResourceLimit threshold is 0. So 1st
// applications get activated nevertheless of AMResourceLimit threshold
// Two applications are in pending
Assert.assertEquals(1, defaultQueue.getNumActiveApplications());
Assert.assertEquals(2, defaultQueue.getNumPendingApplications());
// NM resync to new RM
nm1.registerNode();
dispatcher1.await();
// wait for activating one applications
count = 5;
while (count-- > 0) {
if (defaultQueue.getOrderingPolicy().getSchedulableEntities().size() == 2) {
break;
}
Thread.sleep(500);
}
// verify for order of activated applications iterator
iterator =
defaultQueue.getOrderingPolicy().getSchedulableEntities().iterator();
fcApp2 = iterator.next();
Assert.assertEquals(app2.getCurrentAppAttempt().getAppAttemptId(),
fcApp2.getApplicationAttemptId());
fcApp1 = iterator.next();
Assert.assertEquals(app1.getCurrentAppAttempt().getAppAttemptId(),
fcApp1.getApplicationAttemptId());
// verify for pending application iterator. It should be app-3 attempt
iterator = defaultQueue.getPendingApplications().iterator();
fcApp3 = iterator.next();
Assert.assertEquals(app3.getCurrentAppAttempt().getAppAttemptId(),
fcApp3.getApplicationAttemptId());
rm2.stop();
rm1.stop();
}
}

6
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/TestLeafQueue.java
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@ -2413,14 +2413,16 @@ public class TestLeafQueue {
TestUtils.getMockApplicationAttemptId(0, 0);
FiCaSchedulerApp app_0 =
spy(new FiCaSchedulerApp(appAttemptId_0, user_0, a,
mock(ActiveUsersManager.class), spyRMContext, Priority.newInstance(3)));
mock(ActiveUsersManager.class), spyRMContext,
Priority.newInstance(3), false));
a.submitApplicationAttempt(app_0, user_0);
final ApplicationAttemptId appAttemptId_1 =
TestUtils.getMockApplicationAttemptId(1, 0);
FiCaSchedulerApp app_1 =
spy(new FiCaSchedulerApp(appAttemptId_1, user_0, a,
mock(ActiveUsersManager.class), spyRMContext, Priority.newInstance(5)));
mock(ActiveUsersManager.class), spyRMContext,
Priority.newInstance(5), false));
a.submitApplicationAttempt(app_1, user_0);
Priority priority = TestUtils.createMockPriority(1);