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Posted to yarn-issues@hadoop.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2016/07/29 00:24:20 UTC
[jira] [Commented] (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:comment-tabpanel&focusedCommentId=15398491#comment-15398491 ]
Hudson commented on YARN-5436:
------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #10175 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/10175/])
YARN-5436. Race in AsyncDispatcher can cause random test failures in Tez (gtcarrera9: rev 7086fc72eebc41fd174d91839ed703c014aac920)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/event/AsyncDispatcher.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/event/DrainDispatcher.java
> 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
> Fix For: 2.9.0, 3.0.0-alpha2
>
> Attachments: YARN-5436.1.patch, YARN-5436.2.patch, YARN-5436.3.patch, YARN-5436.4.patch
>
>
> In YARN-2264, a race in DrainDispatcher was fixed. Unfortunately, it also exists in AsyncDispatcher (this was found and ignored in YARN-3878 but never documented...). In YARN-2991, another DrainDispatcher bug was fixed by letting DrainDispatcher reuse some AsyncDispatcher method 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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