[
https://issues.apache.org/jira/browse/BEAM-5520?focusedWorklogId=149865&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-149865
]
ASF GitHub Bot logged work on BEAM-5520:
----------------------------------------
Author: ASF GitHub Bot
Created on: 30/Sep/18 23:25
Start Date: 30/Sep/18 23:25
Worklog Time Spent: 10m
Work Description: tweise commented on issue #6524: [BEAM-5520] Flink
pipeline option to run SDK harness per subtask.
URL: https://github.com/apache/beam/pull/6524#issuecomment-425760370
Added server option to control default behavior. When the pipeline option
value is `[auto]` then the server option will be used. Example:
```
java -jar
runners/flink/job-server/build/libs/beam-runners-flink_2.11-job-server-2.8.0-SNAPSHOT.jar
--sdk-worker-parallelism=[stage]
```
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Issue Time Tracking
-------------------
Worklog Id: (was: 149865)
Time Spent: 0.5h (was: 20m)
> Flink runner per operator SDK harness option
> --------------------------------------------
>
> Key: BEAM-5520
> URL: https://issues.apache.org/jira/browse/BEAM-5520
> Project: Beam
> Issue Type: Improvement
> Components: runner-flink
> Reporter: Thomas Weise
> Assignee: Thomas Weise
> Priority: Major
> Labels: portability, portability-flink
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> For streaming pipelines, the runner currently uses a single SDK harness
> process for all subtasks of a job that get deployed on the same task manager.
> In common deployments with 16 or more tasks slots, many executable stage
> operators all use the same SDK harness process. To scale, we need an option
> to run separate harness processes per subtask.
>
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