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Posted to yarn-dev@hadoop.apache.org by "Zhiyuan Yang (JIRA)" <ji...@apache.org> on 2016/07/26 23:30:21 UTC

[jira] [Created] (YARN-5436) Race in AsyncDispatcher can cause random test failures in Tez(probably YARN also )

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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