Ted Yu created YARN-1296:
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Summary: schedulerAllocateTimer is accessed without holding
samplerLock in ResourceSchedulerWrapper
Key: YARN-1296
URL: https://issues.apache.org/jira/browse/YARN-1296
Project: Hadoop YARN
Issue Type: Bug
Reporter: Ted Yu
Priority: Minor
Here is related code:
{code}
public Allocation allocate(ApplicationAttemptId attemptId,
List<ResourceRequest> resourceRequests,
List<ContainerId> containerIds,
List<String> strings, List<String> strings2) {
if (metricsON) {
final Timer.Context context = schedulerAllocateTimer.time();
{code}
samplerLock should be used to guard the access.
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