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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10059) RPC authentication and authorization metrics overflow to negative values on busy clusters
Date Mon, 21 Oct 2013 19:03:46 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10059?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13800959#comment-13800959
] 

Hadoop QA commented on HADOOP-10059:
------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12609493/HADOOP-10059.2.patch
  against trunk revision .

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 core tests{color}.  The patch passed unit tests in hadoop-common-project/hadoop-common.

    {color:green}+1 contrib tests{color}.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/3237//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/3237//console

This message is automatically generated.

> 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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