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https://issues.apache.org/jira/browse/FLINK-3134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15046650#comment-15046650
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Till Rohrmann commented on FLINK-3134:
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big +1 :-)
> Make YarnJobManager's allocate call asynchronous
> ------------------------------------------------
>
> Key: FLINK-3134
> URL: https://issues.apache.org/jira/browse/FLINK-3134
> Project: Flink
> Issue Type: Bug
> Components: YARN Client
> Affects Versions: 0.10.0, 1.0.0, 0.10.1
> Reporter: Maximilian Michels
> Assignee: Maximilian Michels
> Fix For: 1.0.0
>
>
> The {{allocate()}} call is used in the {{YarnJobManager}} to send a heartbeat
> to the YARN resource manager. This call may block the JobManager actor system
> for arbitrary time, e.g. if retry handlers are set up within the call to
> allocate.
> I propose to use the {{AMRMClientAsync}}'s callback methods to send
> heartbeats and update the container information. The API is available for our
> supported Hadoop versions (2.3.0 and above).
> https://hadoop.apache.org/docs/stable/api/org/apache/hadoop/yarn/client/api/async/AMRMClientAsync.html
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