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https://issues.apache.org/jira/browse/MAPREDUCE-1257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12786216#action_12786216
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Todd Lipcon commented on MAPREDUCE-1257:
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Chris: I don't feel strongly about this. I like it for the exact reason you
mentioned - makes it easier to tune io.sort.record.percent (or at least see at
a glance whether such tuning could help). My plan was to backport it into our
distribution for 20, where a backport of MAPREDUCE-64 is pretty unlikely since
that change is much riskier.
If no one else wants this, happy to resolve as wontfix. Would be interested to
hear from the original reporter, though, before doing so.
> Ability to grab the number of spills
> ------------------------------------
>
> Key: MAPREDUCE-1257
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1257
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Affects Versions: 0.22.0
> Reporter: Sriranjan Manjunath
> Assignee: Todd Lipcon
> Fix For: 0.22.0
>
> Attachments: mapreduce-1257.txt
>
>
> The counters should have information about the number of spills in addition
> to the number of spill records.
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