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Posted to issues@beam.apache.org by "Luke Cwik (Jira)" <ji...@apache.org> on 2019/09/04 19:08:00 UTC

[jira] [Updated] (BEAM-8151) Allow the Python SDK to use many many threads

     [ https://issues.apache.org/jira/browse/BEAM-8151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luke Cwik updated BEAM-8151:
----------------------------
    Status: Open  (was: Triage Needed)

> Allow the Python SDK to use many many threads
> ---------------------------------------------
>
>                 Key: BEAM-8151
>                 URL: https://issues.apache.org/jira/browse/BEAM-8151
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-py-core, sdk-py-harness
>            Reporter: Luke Cwik
>            Assignee: Luke Cwik
>            Priority: Major
>
> We need to use a thread pool which shrinks the number of active threads when they are not being used.
>  
> This is to prevent any stuckness issues related to a runner scheduling more work items then there are "work" threads inside the SDK harness.
>  
> By default the control plane should have all "requests" being processed in parallel and the runner is responsible for not overloading the SDK with too much work.



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