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https://issues.apache.org/jira/browse/HADOOP-5210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12711078#action_12711078
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Devaraj Das commented on HADOOP-5210:
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I committed this to the 0.20 branch.
> 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
> Fix For: 0.20.1
>
> Attachments: HADOOP-5210.patch, HADOOP-5210.v2.1.patch,
> HADOOP-5210.v2.patch, HADOOP-5210.v3.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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