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Posted to yarn-issues@hadoop.apache.org by "Zhiyuan Yang (JIRA)" <ji...@apache.org> on 2016/07/27 17:51:20 UTC
[jira] [Issue Comment Deleted] (YARN-5436) Race in AsyncDispatcher
can cause random test failures in Tez(probably YARN also )
[ https://issues.apache.org/jira/browse/YARN-5436?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zhiyuan Yang updated YARN-5436:
-------------------------------
Comment: was deleted
(was: Data race can cause RM stop without handling last enqueued event.)
> 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 DrainDispatcher was fixed. Unfortunately, it also exists in AsyncDispatcher but wasn't found. In YARN-2991, another DrainDispatcher bug was fixed by letting DrainDispatcher 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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