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Posted to issues@impala.apache.org by "Sailesh Mukil (JIRA)" <ji...@apache.org> on 2017/05/18 01:08:04 UTC

[jira] [Resolved] (IMPALA-4764) add hedged read metrics

     [ https://issues.apache.org/jira/browse/IMPALA-4764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sailesh Mukil resolved IMPALA-4764.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: Impala 2.9.0

https://github.com/apache/incubator-impala/commit/c826af6831719cfe5e967a56099493a103c68a90

> add hedged read metrics
> -----------------------
>
>                 Key: IMPALA-4764
>                 URL: https://issues.apache.org/jira/browse/IMPALA-4764
>             Project: IMPALA
>          Issue Type: Improvement
>          Components: Backend
>    Affects Versions: Impala 2.8.0
>            Reporter: Silvius Rus
>            Assignee: Sailesh Mukil
>             Fix For: Impala 2.9.0
>
>
> Expose the following Hadoop metrics:
> hedgedReadOps - the number of hedged reads that have occurred
> hedgeReadOpsWin - the number of times the hedged read returned faster than the original read



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