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Date: Fri, 13 Mar 2009 04:41:50 -0700 (PDT)
From: "Jothi Padmanabhan (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Commented: (HADOOP-5210) Reduce Task Progress shows > 100%
 when the total size of map outputs (for a single reducer) is high
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    [ https://issues.apache.org/jira/browse/HADOOP-5210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12681683#action_12681683 ] 

Jothi Padmanabhan commented on HADOOP-5210:
-------------------------------------------

Carrying over bytes from intermediate merges to the final reduce phase is not correct. 

> Reduce Task Progress shows > 100% when the total size of map outputs (for a single reducer) is high 
> ----------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-5210
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5210
>             Project: Hadoop Core
>          Issue Type: Bug
>            Reporter: Jothi Padmanabhan
>            Assignee: Ravi Gummadi
>            Priority: Minor
>         Attachments: HADOOP-5210.patch, Picture 3.png
>
>
> When the total map outputs size (reduce input size) is high, the reported progress is greater than 100%.

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