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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3131) enabling BLOCK compression for map outputs breaks the reduce progress counters
Date Sat, 12 Jul 2008 09:07:31 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12613061#action_12613061
] 

Hadoop QA commented on HADOOP-3131:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12385650/merge-progress-trunk.patch
  against trunk revision 676069.

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

    +1 tests included.  The patch appears to include 6 new or modified tests.

    -1 patch.  The patch command could not apply the patch.

Console output: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/2835/console

This message is automatically generated.

> enabling BLOCK compression for map outputs breaks the reduce progress counters
> ------------------------------------------------------------------------------
>
>                 Key: HADOOP-3131
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3131
>             Project: Hadoop Core
>          Issue Type: Bug
>    Affects Versions: 0.17.0, 0.17.1, 0.17.2, 0.18.0, 0.19.0
>            Reporter: Colin Evans
>            Assignee: Matei Zaharia
>         Attachments: merge-progress-trunk.patch, merge-progress.patch, Picture 1.png
>
>
> Enabling map output compression and setting the compression type to BLOCK causes the
progress counters during the reduce to go crazy and report progress counts over 100%.

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