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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-3347) TaskManager (or its ActorSystem) need to restart in case they notice quarantine
Date Thu, 27 Oct 2016 13:55:58 GMT

    [ https://issues.apache.org/jira/browse/FLINK-3347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15611963#comment-15611963

ASF GitHub Bot commented on FLINK-3347:

Github user tillrohrmann commented on the issue:

    Thanks for the review @StephanEwen. I will change the configuration name and then merge
the PR into the release-1.1 branch.
    Travis passed locally and the failing test cases are unrelated.

> TaskManager (or its ActorSystem) need to restart in case they notice quarantine
> -------------------------------------------------------------------------------
>                 Key: FLINK-3347
>                 URL: https://issues.apache.org/jira/browse/FLINK-3347
>             Project: Flink
>          Issue Type: Improvement
>          Components: TaskManager
>    Affects Versions: 0.10.1
>            Reporter: Stephan Ewen
>            Assignee: Till Rohrmann
>            Priority: Critical
>             Fix For: 1.0.0, 1.2.0, 1.1.4
> There are cases where Akka quarantines remote actor systems. In that case, no further
communication is possible with that actor system unless one of the two actor systems is restarted.
> The result is that a TaskManager is up and available, but cannot register at the JobManager
(Akka refuses connection because of the quarantined state), making the TaskManager a useless
> I suggest to let the TaskManager restart itself once it notices that either it quarantined
the JobManager, or the JobManager quarantined it.
> It is possible to recognize that by listening to certain events in the actor system event
stream: http://stackoverflow.com/questions/32471088/akka-cluster-detecting-quarantined-state

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