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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3152) Make index interval configuable when using MapFileOutputFormat for map-reduce job
Date Thu, 03 Apr 2008 00:56:27 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12584939#action_12584939

Hadoop QA commented on HADOOP-3152:

-1 overall.  Here are the results of testing the latest attachment 
against trunk revision 643282.

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

    tests included -1.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no tests are needed for this patch.

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

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

    release audit +1.  The applied patch does not generate any new release audit warnings.

    findbugs +1.  The patch does not introduce any new Findbugs warnings.

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

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

Test results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2129/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2129/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2129/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2129/console

This message is automatically generated.

> Make index interval configuable when using MapFileOutputFormat for map-reduce job
> ---------------------------------------------------------------------------------
>                 Key: HADOOP-3152
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3152
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: io
>    Affects Versions: 0.16.0
>         Environment: ubuntu, 64bit, jdk1.6
>            Reporter: Rong-En Fan
>            Assignee: Doug Cutting
>             Fix For: 0.17.0
>         Attachments: mapfile.diff
> Per discussion with Doug Cutting on hadoop user mailing around Mar 21,
> thread title "MapFile and MapFileOutputFormat". Currently, there is no way 
> to change the index interval for the output MapFile in a map-reduce job.
> As suggested, adding a static method MapFile(Configuration, int) to set the
> index interval and stores in Configuration, then MapFile.Writer constructor
> reads the setting from configuration may be a good idea. 
> I also noticed that Hbase did similar things in HBASE-364.

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