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From "Robert Bradshaw (JIRA)" <>
Subject [jira] [Created] (BEAM-5521) Cache execution trees in SDK worker
Date Fri, 28 Sep 2018 07:22:00 GMT
Robert Bradshaw created BEAM-5521:

             Summary: Cache execution trees in SDK worker
                 Key: BEAM-5521
             Project: Beam
          Issue Type: Improvement
          Components: sdk-py-harness
            Reporter: Robert Bradshaw
            Assignee: Robert Bradshaw

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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