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Posted to issues@beam.apache.org by "Sam Whittle (Jira)" <ji...@apache.org> on 2020/11/18 10:50:00 UTC

[jira] [Created] (BEAM-11300) Optimize Nexmark pipelines

Sam Whittle created BEAM-11300:
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             Summary: Optimize Nexmark pipelines
                 Key: BEAM-11300
                 URL: https://issues.apache.org/jira/browse/BEAM-11300
             Project: Beam
          Issue Type: Bug
          Components: testing-nexmark
            Reporter: Sam Whittle
            Assignee: Sam Whittle


Several of the nexmark queries can be improved to have better performance:
- Query3 uses stateful processing and a CogroupByKey which introduces an unnecessary shuffle compared to just using stateful processing.  Additionally BagState is more appropriate to use than ValueState<List<>>
- Query5 uses a binary combiner when a custom combiner is more appropriate
- Query10 has excessive logging



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