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Posted to issues@beam.apache.org by "Kenneth Knowles (Jira)" <ji...@apache.org> on 2021/05/05 23:14:00 UTC

[jira] [Created] (BEAM-12292) 2.29.0 cherrypick: WindmillStateCache has a 0% hit rate in 2.29

Kenneth Knowles created BEAM-12292:
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             Summary: 2.29.0 cherrypick: WindmillStateCache has a 0% hit rate in 2.29
                 Key: BEAM-12292
                 URL: https://issues.apache.org/jira/browse/BEAM-12292
             Project: Beam
          Issue Type: Bug
          Components: runner-dataflow
    Affects Versions: 2.29.0
            Reporter: Steve Niemitz
            Assignee: Sam Whittle
             Fix For: 2.30.0


After upgrading to 2.29, I noticed that our jobs have a 0% state cache hit rate.  I see a very high eviction rate from the cache as well (it used to be ~0, now its ~100,000+ evictions / second).

We never were on 2.28, so I can't say if it worked there, but it did work on 2.27.

 

 



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