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https://issues.apache.org/jira/browse/MAPREDUCE-354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer resolved MAPREDUCE-354.
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Resolution: Incomplete
I'm going to close this as stale.
> the map output servlet should only locate the index if it isn't in the cache
> ----------------------------------------------------------------------------
>
> Key: MAPREDUCE-354
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-354
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Attachments: hadoop-5169.patch
>
>
> Currently, the map output servlet locates the cache file using the local dir
> allocator, before it determines whether the information is in the cache. It
> would avoid a lot of filesystem lookups if it waited.
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