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Posted to issues@beam.apache.org by "Robert Burke (JIRA)" <ji...@apache.org> on 2019/01/23 21:25:00 UTC

[jira] [Created] (BEAM-6498) Consider using sync/atomic for Go SDK metrics.

Robert Burke created BEAM-6498:
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             Summary: Consider using sync/atomic for Go SDK metrics.
                 Key: BEAM-6498
                 URL: https://issues.apache.org/jira/browse/BEAM-6498
             Project: Beam
          Issue Type: Sub-task
          Components: sdk-go
    Affects Versions: Not applicable
            Reporter: Robert Burke


Changing a portion of the metrics code to use the atomic counters might yield a performance improvement and the opportunity to remove a lock or two.

Care needs to be taken though: [https://stackoverflow.com/questions/47445344/is-there-a-difference-in-go-between-a-counter-using-atomic-operations-and-one-us]



The outcome of this task is a benchmark demonstrating the benefit (or detriment) in a quasi-real situation for the Go SDK, and if warranted switching metrics where possible, to use atomics.



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