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From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-5710) Counter MAP_INPUT_BYTES missing from new mapreduce api.
Date Mon, 25 May 2009 11:01:46 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amareshwari Sriramadasu updated HADOOP-5710:
--------------------------------------------

    Attachment: patch-5710-3.txt

Patch incorporating review comments.

test-patch result:
{noformat}
     [exec] +1 overall.
     [exec]
     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec]
     [exec]     +1 tests included.  The patch appears to include 12 new or modified tests.
     [exec]
     [exec]     +1 javadoc.  The javadoc tool did not generate any warning messages.
     [exec]
     [exec]     +1 javac.  The applied patch does not increase the total number of javac compiler
warnings.
     [exec]
     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs warnings.
     [exec]
     [exec]     +1 Eclipse classpath. The patch retains Eclipse classpath integrity.
     [exec]
     [exec]     +1 release audit.  The applied patch does not increase the total number of
release audit warnings.
     [exec]
{noformat}

ant test passed on my machine.

> Counter MAP_INPUT_BYTES missing from new mapreduce api.
> -------------------------------------------------------
>
>                 Key: HADOOP-5710
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5710
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Amareshwari Sriramadasu
>             Fix For: 0.21.0
>
>         Attachments: patch-5710-1.txt, patch-5710-2.txt, patch-5710-3.txt, patch-5710.txt
>
>
> MapTask, with current new mapreduce api, does not maintain MAP_INPUT_BYTES counter. Since
RecordReader doesnot have getPos() api, it is not possible for the map task to maintain. Individual
record readers (LineRecordReader, SequenceFileRecordReader) could be modified to maintain
the same.

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