ASF GitHub Bot logged work on BEAM-8151:

                Author: ASF GitHub Bot
            Created on: 08/Nov/19 22:44
            Start Date: 08/Nov/19 22:44
    Worklog Time Spent: 10m 
      Work Description: lukecwik commented on issue #9477: [BEAM-8151, 
BEAM-7848] Up the max number of threads inside the SDK harness to a default of 
URL: https://github.com/apache/beam/pull/9477#issuecomment-552019300
   I think the complexity of guarding this with a flag will be much larger then 
rebasing when the library is updated once 
https://github.com/ftpsolutions/collapsing-thread-pool-executor/pull/4 is 
merged and released so I'm not seeing the value.
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Issue Time Tracking

    Worklog Id:     (was: 340790)
    Time Spent: 8h  (was: 7h 50m)

> 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
>          Time Spent: 8h
>  Remaining Estimate: 0h
> 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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