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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5075) DistCp leaks input file handles
Date Fri, 15 Mar 2013 23:46:13 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13603992#comment-13603992
] 

Hadoop QA commented on MAPREDUCE-5075:
--------------------------------------

{color:green}+1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12573975/MAPREDUCE-5075.1.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 tests included appear to have a timeout.{color}

    {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-tools/hadoop-distcp.

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3421//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3421//console

This message is automatically generated.
                
> DistCp leaks input file handles
> -------------------------------
>
>                 Key: MAPREDUCE-5075
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5075
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: distcp
>    Affects Versions: 3.0.0
>            Reporter: Chris Nauroth
>            Assignee: Chris Nauroth
>         Attachments: MAPREDUCE-5075.1.patch
>
>
> DistCp wraps the {{InputStream}} for each input file it reads in an instance of {{ThrottledInputStream}}.
 This class does not close the wrapped {{InputStream}}.  {{RetriableFileCopyCommand}} guarantees
that the {{ThrottledInputStream}} gets closed, but without closing the underlying wrapped
stream, it still leaks a file handle.

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