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YARN-8969. AbstractYarnScheduler#getNodeTracker should return generic type to avoid type casting. Contributed by Wanqiang Ji. 

(cherry picked from commit c7fcca0d7e)
This commit is contained in:
Weiwei Yang 2018-11-06 13:14:57 +08:00
parent 378f189c4f
commit b474239e0b
2 changed files with 2 additions and 2 deletions
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2
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/AbstractYarnScheduler.java
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@ -237,7 +237,7 @@ public abstract class AbstractYarnScheduler
} }
@VisibleForTesting @VisibleForTesting
public ClusterNodeTracker getNodeTracker() { public ClusterNodeTracker<N> getNodeTracker() {
return nodeTracker; return nodeTracker;
} }

2
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSPreemptionThread.java
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@ -229,7 +229,7 @@ class FSPreemptionThread extends Thread {
private void trackPreemptionsAgainstNode(List<RMContainer> containers, private void trackPreemptionsAgainstNode(List<RMContainer> containers,
FSAppAttempt app) { FSAppAttempt app) {
FSSchedulerNode node = (FSSchedulerNode) scheduler.getNodeTracker() FSSchedulerNode node = scheduler.getNodeTracker()
.getNode(containers.get(0).getNodeId()); .getNode(containers.get(0).getNodeId());
node.addContainersForPreemption(containers, app); node.addContainersForPreemption(containers, app);
} }