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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-5169) the map output servlet should only locate the index if it isn't in the cache
Date Tue, 10 Feb 2009 01:30:59 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Douglas updated HADOOP-5169:
----------------------------------

    Status: Open  (was: Patch Available)

HADOOP-4759 conflicts; this needs to be regenerated.

> the map output servlet should only locate the index if it isn't in the cache
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-5169
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5169
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>            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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