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https://issues.apache.org/jira/browse/BEAM-10413?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17548735#comment-17548735
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Danny McCormick commented on BEAM-10413:
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This issue has been migrated to https://github.com/apache/beam/issues/20350
> Change default SDK worker parallelism to use the number of cpu cores
> --------------------------------------------------------------------
>
> Key: BEAM-10413
> URL: https://issues.apache.org/jira/browse/BEAM-10413
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-core, sdk-py-core
> Reporter: Maximilian Michels
> Priority: P3
> Labels: Clarified
>
> The default SDK worker parallelism is currently 1 which uses a single SDK
> worker across. We may want to change the default to 0 which would provide
> better CPU utilization by starting a harness per core.
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