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From "Nigel Daley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4698) TestMapRed fails with 64bit JDK
Date Tue, 25 Nov 2008 17:39:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12650640#action_12650640
] 

Nigel Daley commented on HADOOP-4698:
-------------------------------------

Should we also set io.sort.mb to a smaller value than the current 100 mb?  We can override
for all tests in src/test/hadoop-site.xml

> TestMapRed fails with 64bit JDK
> -------------------------------
>
>                 Key: HADOOP-4698
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4698
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred, test
>    Affects Versions: 0.19.0
>            Reporter: Nigel Daley
>            Assignee: Nigel Daley
>             Fix For: 0.19.1
>
>         Attachments: hadoop-4698.patch, HADOOP-4698.patch
>
>
> 2 test cases in TestMapRed fail when run with 64bit JDK.  They both run out of memory.
 This is due to the default value of io.sort.mb being used (100mb).

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