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YARN-1692. ConcurrentModificationException in fair scheduler AppSchedulable (Sangjin Lee via Sandy Ryza) 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1567788 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Sanford Ryza 2014-02-12 23:04:42 +00:00
parent ad6bc868b6
commit bc939f7ae6
4 changed files with 13 additions and 8 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -268,6 +268,9 @@ Release 2.3.1 - UNRELEASED
BUG FIXES BUG FIXES
YARN-1692. ConcurrentModificationException in fair scheduler AppSchedulable
(Sangjin Lee via Sandy Ryza)
Release 2.3.0 - 2014-02-18 Release 2.3.0 - 2014-02-18
INCOMPATIBLE CHANGES INCOMPATIBLE CHANGES

4
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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@ -150,7 +150,7 @@ public class SchedulerApplicationAttempt {
return appSchedulingInfo.getPriorities(); return appSchedulingInfo.getPriorities();
} }
public ResourceRequest getResourceRequest(Priority priority, String resourceName) { public synchronized ResourceRequest getResourceRequest(Priority priority, String resourceName) {
return this.appSchedulingInfo.getResourceRequest(priority, resourceName); return this.appSchedulingInfo.getResourceRequest(priority, resourceName);
} }
@ -158,7 +158,7 @@ public class SchedulerApplicationAttempt {
return getResourceRequest(priority, ResourceRequest.ANY).getNumContainers(); return getResourceRequest(priority, ResourceRequest.ANY).getNumContainers();
} }
public Resource getResource(Priority priority) { public synchronized Resource getResource(Priority priority) {
return appSchedulingInfo.getResource(priority); return appSchedulingInfo.getResource(priority);
} }

2
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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@ -192,7 +192,7 @@ public class FiCaSchedulerApp extends SchedulerApplicationAttempt {
return Math.min(((float)requiredResources / clusterNodes), 1.0f); return Math.min(((float)requiredResources / clusterNodes), 1.0f);
} }
public Resource getTotalPendingRequests() { public synchronized Resource getTotalPendingRequests() {
Resource ret = Resource.newInstance(0, 0); Resource ret = Resource.newInstance(0, 0);
for (ResourceRequest rr : appSchedulingInfo.getAllResourceRequests()) { for (ResourceRequest rr : appSchedulingInfo.getAllResourceRequests()) {
// to avoid double counting we count only "ANY" resource requests // to avoid double counting we count only "ANY" resource requests

10
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/AppSchedulable.java
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@ -82,10 +82,12 @@ public class AppSchedulable extends Schedulable {
Resources.addTo(demand, app.getCurrentConsumption()); Resources.addTo(demand, app.getCurrentConsumption());
// Add up outstanding resource requests // Add up outstanding resource requests
for (Priority p : app.getPriorities()) { synchronized (app) {
for (ResourceRequest r : app.getResourceRequests(p).values()) { for (Priority p : app.getPriorities()) {
Resource total = Resources.multiply(r.getCapability(), r.getNumContainers()); for (ResourceRequest r : app.getResourceRequests(p).values()) {
Resources.addTo(demand, total); Resource total = Resources.multiply(r.getCapability(), r.getNumContainers());
Resources.addTo(demand, total);
}
} }
} }
} }