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Posted to issues@flink.apache.org by "Till Rohrmann (Jira)" <ji...@apache.org> on 2020/04/09 16:19:00 UTC

[jira] [Assigned] (FLINK-10344) Rethink SubmittedJobGraphListener

     [ https://issues.apache.org/jira/browse/FLINK-10344?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Till Rohrmann reassigned FLINK-10344:
-------------------------------------

    Assignee:     (was: Shimin Yang)

> Rethink SubmittedJobGraphListener
> ---------------------------------
>
>                 Key: FLINK-10344
>                 URL: https://issues.apache.org/jira/browse/FLINK-10344
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / Coordination
>    Affects Versions: 1.5.3, 1.6.0, 1.7.0
>            Reporter: Till Rohrmann
>            Priority: Major
>
> The {{SubmittedJobGraphListener}} in {{ZooKeeperSubmittedJobGraphStore}} can return false positives. This is obviously problematic, because it causes the subsequent recovery operation to fail. Ideally we would not require the {{SubmittedJobGraphListener}}. One could, for example, periodically check from the main thread whether there are new jobs. That way we would know which jobs are currently running and which are being cleaned up. 
> Alternatively it is necessary to tolerate false positives :-(



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