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Posted to issues@beam.apache.org by "Boyuan Zhang (Jira)" <ji...@apache.org> on 2020/12/04 19:18:00 UTC

[jira] [Created] (BEAM-11403) Unbounded SDF wrapper causes performance regression on DirectRunner

Boyuan Zhang created BEAM-11403:
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             Summary: Unbounded SDF wrapper causes performance regression on DirectRunner
                 Key: BEAM-11403
                 URL: https://issues.apache.org/jira/browse/BEAM-11403
             Project: Beam
          Issue Type: Bug
          Components: runner-direct, sdk-java-core
            Reporter: Boyuan Zhang


There is a significant performance regression when switching from UnboundedSource to Unbounded SDF wrapper. So far there are 2 IOs reported:
* Pubsub Read: https://lists.apache.org/thread.html/re6b0941a8b4951293a0327ce9b25e607cafd6e45b69783f65290edee%40%3Cdev.beam.apache.org%3E
* Kafka Read: https://the-asf.slack.com/archives/C9H0YNP3P/p1606155042346600




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