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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2227) wrong usage of mapred.local.dir.minspacestart
Date Mon, 17 Dec 2007 12:06:43 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12552383
] 

Hadoop QA commented on HADOOP-2227:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
http://issues.apache.org/jira/secure/attachment/12371787/patch-2227.txt
against trunk revision r604451.

    @author +1.  The patch does not contain any @author tags.

    javadoc +1.  The javadoc tool did not generate any warning messages.

    javac +1.  The applied patch does not generate any new compiler warnings.

    findbugs -1.  The patch appears to introduce 1 new Findbugs warnings.

    core tests +1.  The patch passed core unit tests.

    contrib tests +1.  The patch passed contrib unit tests.

Test results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1364/testReport/
Findbugs warnings: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1364/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1364/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1364/console

This message is automatically generated.

> wrong usage of mapred.local.dir.minspacestart 
> ----------------------------------------------
>
>                 Key: HADOOP-2227
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2227
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.15.1
>            Reporter: Christian Kunz
>            Assignee: Amareshwari Sri Ramadasu
>            Priority: Critical
>             Fix For: 0.16.0
>
>         Attachments: patch-2227.txt, patch-2227.txt, patch-2227.txt
>
>
> As I understand it, mapred.local.dir.minspacestart should be used to specify that a map
or reduce task requires a minimum disk space to be executed. When several disks are available,
and mapred.local.dir lists all of them, then the free space should be added up. But TaskTracker.enoughFreeSpace
returns false whenever one of the disks listed in mapred.local.dir has less than the space
specified by mapred.local.dir.minspacestart. 

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