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https://issues.apache.org/jira/browse/FLINK-14971?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Biao Liu updated FLINK-14971:
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Summary: Make all the non-IO operations in CheckpointCoordinator
single-threaded (was: Move ACK and declined message handling in the same
thread with triggering)
> Make all the non-IO operations in CheckpointCoordinator single-threaded
> -----------------------------------------------------------------------
>
> Key: FLINK-14971
> URL: https://issues.apache.org/jira/browse/FLINK-14971
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Checkpointing
> Reporter: Biao Liu
> Assignee: Biao Liu
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.11.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Currently the ACK and declined message handling are executed in IO thread. It
> should be moved into main thread eventually.
> After this step, all operations could be executed in main thread. Also we
> don't need coordinator-wide lock anymore then.
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