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https://issues.apache.org/jira/browse/BEAM-5521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17175440#comment-17175440
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Maximilian Michels commented on BEAM-5521:
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If I'm not mistaken this has already been fixed by introducing a cache for
process bundle descriptors.
CC [~robertwb]
> Cache execution trees in SDK worker
> -----------------------------------
>
> Key: BEAM-5521
> URL: https://issues.apache.org/jira/browse/BEAM-5521
> Project: Beam
> Issue Type: Improvement
> Components: sdk-py-harness
> Reporter: Robert Bradshaw
> Priority: P2
> Labels: portability-flink, stale-P2
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Currently they are re-constructed from the protos for every bundle, which is
> expensive (especially for 1-element bundles in streaming flink).
> Care should be taken to ensure the objects can be re-usued.
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