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https://issues.apache.org/jira/browse/SAMZA-1636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prateek Maheshwari updated SAMZA-1636:
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Priority: Minor (was: Major)
> Disallow setting job.container.thread.pool.size value to 1
> ----------------------------------------------------------
>
> Key: SAMZA-1636
> URL: https://issues.apache.org/jira/browse/SAMZA-1636
> Project: Samza
> Issue Type: Bug
> Reporter: Prateek Maheshwari
> Assignee: Xinyu Liu
> Priority: Minor
>
> Setting job.container.thread.pool.size to 1 should make SamzaContainer ignore
> it and default to 0 instead. With a single processing thread, the extra
> latency of the message handoff is unnecessary overhead.
> Configuration reference should also be updated to clarify the new behavior.
> We should also remove the following statement: "Note that the thread pool is
> not applicable to [sic] AsyncStremTask.processAsync(). ", since the thread
> pool size can still allow window/commit to proceed in parallel for
> AsyncStreamTask.
> [~xinyu], do you know of any use case where thread.pool.size == 1 is better
> than sync processing?
>
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