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https://issues.apache.org/jira/browse/FLINK-19069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17198387#comment-17198387
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Robert Metzger commented on FLINK-19069:
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Thanks a lot.
I will try to give some initial feedback on your PR, but most likely I will ask
[~trohrmann] to take a final look at it, since it's such a critical component.
Till is on vacation next week.
> finalizeOnMaster takes too much time and client timeouts
> --------------------------------------------------------
>
> Key: FLINK-19069
> URL: https://issues.apache.org/jira/browse/FLINK-19069
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination
> Affects Versions: 1.9.0, 1.10.0, 1.11.0, 1.12.0
> Reporter: Jiayi Liao
> Priority: Critical
> Labels: pull-request-available
> Fix For: 1.12.0, 1.10.3, 1.11.3
>
>
> Currently we execute {{finalizeOnMaster}} in JM's main thread, which may
> stuck the JM for a very long time and client timeouts eventually.
> For example, we'd like to write data to HDFS and commit files on JM, which
> takes more than ten minutes to commit tens of thousands files.
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