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https://issues.apache.org/jira/browse/FLINK-14583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16963896#comment-16963896
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Gary Yao edited comment on FLINK-14583 at 10/31/19 11:37 AM:
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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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