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https://issues.apache.org/jira/browse/YARN-1954?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14092069#comment-14092069
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Hudson commented on YARN-1954:
------------------------------
FAILURE: Integrated in Hadoop-Yarn-trunk #640 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/640/])
YARN-1954. Added waitFor to AMRMClient(Async). Contributed by Tsuyoshi Ozawa.
(zjshen:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1617002)
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/AMRMClient.java
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/api/async/AMRMClientAsync.java
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/async/impl/TestAMRMClientAsync.java
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAMRMClient.java
> Add waitFor to AMRMClient(Async)
> --------------------------------
>
> Key: YARN-1954
> URL: https://issues.apache.org/jira/browse/YARN-1954
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: client
> Affects Versions: 3.0.0, 2.4.0
> Reporter: Zhijie Shen
> Assignee: Tsuyoshi OZAWA
> Fix For: 2.6.0
>
> Attachments: YARN-1954.1.patch, YARN-1954.2.patch, YARN-1954.3.patch,
> YARN-1954.4.patch, YARN-1954.4.patch, YARN-1954.5.patch, YARN-1954.6.patch,
> YARN-1954.7.patch, YARN-1954.8.patch
>
>
> Recently, I saw some use cases of AMRMClient(Async). The painful thing is
> that the main non-daemon thread has to sit in a dummy loop to prevent AM
> process exiting before all the tasks are done, while unregistration is
> triggered on a separate another daemon thread by callback methods (in
> particular when using AMRMClientAsync). IMHO, it should be beneficial to add
> a waitFor method to AMRMClient(Async) to block the AM until unregistration or
> user supplied check point, such that users don't need to write the loop
> themselves.
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