Zhiyuan Yang created YARN-5436:
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Summary: Race in AsyncDispatcher can cause random test failures in
Tez(probably YARN also )
Key: YARN-5436
URL: https://issues.apache.org/jira/browse/YARN-5436
Project: Hadoop YARN
Issue Type: Bug
Reporter: Zhiyuan Yang
Assignee: Zhiyuan Yang
In YARN-2264, a race in DrainedDispatcher was fixed. Unfortunately, it also
exists in AsyncDispatcher but wasn't found. In YARN-2991, another
DrainedDispatcher bug was fixed by letting DrainedDispatcher extend
AsyncDispatcher because AsyncDispatcher doesn't have such issue. However, this
shadows YARN-2264, and now similar race reappears in Tez unit tests (probably
also YARN unit tests also).
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