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https://issues.apache.org/jira/browse/BEAM-6166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17184517#comment-17184517
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Beam JIRA Bot commented on BEAM-6166:
-------------------------------------
This issue was marked "stale-P2" and has not received a public comment in 14
days. It is now automatically moved to P3. If you are still affected by it, you
can comment and move it back to P2.
> Allow Runners to configure parallelism of GrpcStateService
> ----------------------------------------------------------
>
> Key: BEAM-6166
> URL: https://issues.apache.org/jira/browse/BEAM-6166
> Project: Beam
> Issue Type: Improvement
> Components: runner-core
> Reporter: Maximilian Michels
> Priority: P3
>
> GrpcStateService by default uses a non-thread-safe OutboundServer which has
> led to problem with asynchronously sending data to it. The sending is now
> changed to be done synchronously but it could be done asynchronously if
> OutboundObserverFactory was used.
> Depending on the Runner, asynchronicity may or may not be desired. We should
> provide a way to configure parallelism of GrpcStateService for each Runner.
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