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

     [ https://issues.apache.org/jira/browse/BEAM-13699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Burke updated BEAM-13699:
--------------------------------
    Status: Open  (was: Triage Needed)

> [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
>            Priority: P2
>
> 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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