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From "vinoyang (Jira)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-14583) Remove progressLock from ExecutionGraph
Date Thu, 31 Oct 2019 11:47:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-14583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16963905#comment-16963905
] 

vinoyang commented on FLINK-14583:
----------------------------------

OK, will open a PR.

> Remove progressLock from ExecutionGraph
> ---------------------------------------
>
>                 Key: FLINK-14583
>                 URL: https://issues.apache.org/jira/browse/FLINK-14583
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / Coordination
>            Reporter: vinoyang
>            Priority: Major
>
> There is a lock object named {{progressLock}} which used to secure all access to mutable
fields, especially the tracking of progress within the job. Now, the {{ExecutionGraph}} can
only be accessed by a single thread at any time point. IMO, we can remove this lock.



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