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From "Luke Lu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10059) RPC authentication and authorization metrics overflow to negative values on busy clusters
Date Thu, 07 Nov 2013 09:55:25 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10059?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13815812#comment-13815812
] 

Luke Lu commented on HADOOP-10059:
----------------------------------

The .2 patch lgtm. +1.

> RPC authentication and authorization metrics overflow to negative values on busy clusters
> -----------------------------------------------------------------------------------------
>
>                 Key: HADOOP-10059
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10059
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: metrics
>    Affects Versions: 0.23.9, 2.2.0
>            Reporter: Jason Lowe
>            Assignee: Tsuyoshi OZAWA
>            Priority: Minor
>         Attachments: HADOOP-10059.1.patch, HADOOP-10059.2.patch
>
>
> The RPC metrics for authorization and authentication successes can easily overflow to
negative values on a busy cluster that has been up for a long time.  We should consider providing
64-bit values for these counters.



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