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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