Anton Kedin created BEAM-7906:
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Summary: Perf regression in SQL Query3 in Dataflow
Key: BEAM-7906
URL: https://issues.apache.org/jira/browse/BEAM-7906
Project: Beam
Issue Type: Bug
Components: dsl-sql, runner-dataflow
Reporter: Anton Kedin
Nexmark shows perf regression in SQL Query3 starting on July 30 2019:
https://apache-beam-testing.appspot.com/explore?dashboard=5670405876482048
There doesn't seem to be a lot of changes to SQL around that date and the one
that was there doesn't seem relevan to the query:
https://github.com/apache/beam/commits/master/sdks/java/extensions/sql
Direct runner shows a slight perf decrease as well:
https://apache-beam-testing.appspot.com/explore?dashboard=5084698770407424
while Spark runner doesn't:
https://apache-beam-testing.appspot.com/explore?dashboard=5138380291571712
The query in question is a join with a simple filter condition:
https://github.com/apache/beam/blob/b8aa8486f336df6fc9cf581f29040194edad3b87/sdks/java/testing/nexmark/src/main/java/org/apache/beam/sdk/nexmark/queries/sql/SqlQuery3.java#L69
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