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Posted to issues@beam.apache.org by "Robert Burke (Jira)" <ji...@apache.org> on 2022/01/20 02:34:00 UTC

[jira] [Created] (BEAM-13699) [Go SDK] Change Combiner Lifting hash to maphash.

Robert Burke created BEAM-13699:
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             Summary: [Go SDK] Change Combiner Lifting hash to maphash.
                 Key: BEAM-13699
                 URL: https://issues.apache.org/jira/browse/BEAM-13699
             Project: Beam
          Issue Type: Improvement
          Components: sdk-go
            Reporter: Robert Burke


https://pkg.go.dev/hash/maphash is actually intended for use as a hashtable hash, and leverages the go runtime's efficient map hasher. This will hopefully lead to a mild speedup, and with the additional random seeds (consistent for the life of a hasher) will reduce the odds of collisions vs the current deterministic hasher.



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