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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