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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5008) Merger progress miscounts with respect to EOF_MARKER
Date Thu, 21 Feb 2013 18:04:14 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13583388#comment-13583388
] 

Tom White commented on MAPREDUCE-5008:
--------------------------------------

Yes, that is fine. +1 for the patch.
                
> Merger progress miscounts with respect to EOF_MARKER
> ----------------------------------------------------
>
>                 Key: MAPREDUCE-5008
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5008
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 2.0.3-alpha
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>         Attachments: MAPREDUCE-5008-branch-1.patch, MAPREDUCE-5008.patch, MAPREDUCE-5008.patch
>
>
> After MAPREDUCE-2264, a segment's raw data length is calculated without the EOF_MARKER
bytes.  However, when the merge is counting how many bytes it processed, it includes the marker.
 This can cause the merge progress to go above 100%.
> Whether these EOF_MARKER bytes should count should be consistent between the two.
> This a JIRA instead of an amendment because MAPREDUCE-2264 already went into 2.0.3.

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