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https://issues.apache.org/jira/browse/FLINK-17075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17171562#comment-17171562
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Till Rohrmann commented on FLINK-17075:
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[~zhuzh] we wanted to give this feature a bit of exposure on the master to see
whether it causes problems. That's why the ticket is still open. I would
suggest to not include it in the {{1.10.2}} bug fix release but we should think
about backporting it shortly afterwards so that we give this feature also a bit
of testing time on the {{release-1.10}} branch [~chesnay].
> Add task status reconciliation between TM and JM
> ------------------------------------------------
>
> Key: FLINK-17075
> URL: https://issues.apache.org/jira/browse/FLINK-17075
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Coordination
> Affects Versions: 1.10.0, 1.11.0
> Reporter: Till Rohrmann
> Assignee: Chesnay Schepler
> Priority: Critical
> Labels: pull-request-available
> Fix For: 1.10.2, 1.12.0, 1.11.2
>
>
> In order to harden the TM and JM communication I suggest to let the
> {{TaskExecutor}} send the task statuses back to the {{JobMaster}} as part of
> the heartbeat payload (similar to FLINK-11059). This would allow to reconcile
> the states of both components in case that a status update message was lost
> as described by a user on the ML.
> https://lists.apache.org/thread.html/ra9ed70866381f0ef0f4779633346722ccab3dc0d6dbacce04080b74e%40%3Cuser.flink.apache.org%3E
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