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YARN-7807. Assume intra-app anti-affinity as default for scheduling request inside AppPlacementAllocator. (Wangda Tan via asuresh)

This commit is contained in:
Arun Suresh 2018-01-24 12:55:01 -08:00
parent a4c539fcdb
commit 644afe5fd8
1 changed files with 3 additions and 2 deletions
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5
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/placement/SingleConstraintAppPlacementAllocator.java
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@ -334,14 +334,15 @@ public class SingleConstraintAppPlacementAllocator<N extends SchedulerNode>
targetAllocationTags = new HashSet<>(
targetExpression.getTargetValues());
if (targetExpression.getTargetKey() == null || !targetExpression
if (targetExpression.getTargetKey() != null && !targetExpression
.getTargetKey().equals(APPLICATION_LABEL_INTRA_APPLICATION)) {
throwExceptionWithMetaInfo(
"As of now, the only accepted target key for targetKey of "
+ "allocation_tag target expression is: ["
+ APPLICATION_LABEL_INTRA_APPLICATION
+ "]. Please make changes to placement constraints "
+ "accordingly.");
+ "accordingly. If this is null, it will be set to "
+ APPLICATION_LABEL_INTRA_APPLICATION + " by default.");
}
}
}