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Posted to common-dev@hadoop.apache.org by "Ravi Gummadi (JIRA)" <ji...@apache.org> on 2009/03/12 12:16:51 UTC
[jira] Updated: (HADOOP-5210) Reduce Task Progress shows > 100%
when the total size of map outputs (for a single reducer) is high
[ https://issues.apache.org/jira/browse/HADOOP-5210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ravi Gummadi updated HADOOP-5210:
---------------------------------
Attachment: HADOOP-5210.patch
As Devaraj mentioned, the problem is in the calculation of mergeProgress when multi-level merges happen.
Attaching patch that fixes the issue. Please review and provide your comments.
> 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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