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https://issues.apache.org/jira/browse/BEAM-8166?focusedWorklogId=308145&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-308145
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ASF GitHub Bot logged work on BEAM-8166:
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Author: ASF GitHub Bot
Created on: 06/Sep/19 20:45
Start Date: 06/Sep/19 20:45
Worklog Time Spent: 10m
Work Description: lostluck commented on issue #9504: [BEAM-8166] Allow in
process workers to exit without killing the process.
URL: https://github.com/apache/beam/pull/9504#issuecomment-529008251
Excellent question, and you're correct the new mode isn't presently
available for any public runners at this time. Flink, Spark, Dataflow all rely
on containers, which don't run into this.
However, native Go runners might choose to make different calls, or runners
where the runner half a worker is linked into the same binary run into this,
such as the internal Google runner I work on uses. It has an inprocess mode
that can take advantage of this as well.
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Issue Time Tracking
-------------------
Worklog Id: (was: 308145)
Time Spent: 40m (was: 0.5h)
> Support Graceful shutdown of worker harness.
> --------------------------------------------
>
> Key: BEAM-8166
> URL: https://issues.apache.org/jira/browse/BEAM-8166
> Project: Beam
> Issue Type: Improvement
> Components: runner-core, sdk-go
> Reporter: Robert Burke
> Priority: Minor
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Ideally there should be a clear Shutdown control RPC a runner can send a
> worker harness to trigger an orderly shutdown.
> Absent that, errors on the runner side shouldn't manifest as SDK worker
> harness errors. SDKs should log, and gracefully shutdown from GRPC errors.
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