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From "Gary Yao (Jira)" <j...@apache.org>
Subject [jira] [Comment Edited] (FLINK-14583) Remove progressLock from ExecutionGraph
Date Thu, 31 Oct 2019 11:38:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-14583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16963896#comment-16963896
] 

Gary Yao edited comment on FLINK-14583 at 10/31/19 11:37 AM:
-------------------------------------------------------------

I think the lock can be removed.


was (Author: gjy):
I think it can be removed.

> 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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