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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9757) Har metadata cache can grow without limit
Date Mon, 05 Aug 2013 21:42:49 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9757?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13729996#comment-13729996
] 

Hadoop QA commented on HADOOP-9757:
-----------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12596209/HADOOP_9757.trunk.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/2924//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/2924//console

This message is automatically generated.
                
> Har metadata cache can grow without limit
> -----------------------------------------
>
>                 Key: HADOOP-9757
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9757
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 3.0.0, 2.0.4-alpha, 0.23.9
>            Reporter: Jason Lowe
>            Assignee: Cristina L. Abad
>         Attachments: HADOOP_9757.branch23.patch, HADOOP_9757.branch-2.patch, HADOOP_9757.trunk.patch
>
>
> MAPREDUCE-2459 added a metadata cache to the har filesystem, but the cache has no upper
limits.  A long-running process that accesses many har archives will eventually run out of
memory due to a har metadata cache that never retires entries.

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