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Posted to common-dev@hadoop.apache.org by "Jothi Padmanabhan (JIRA)" <ji...@apache.org> on 2008/09/10 10:28:45 UTC

[jira] Updated: (HADOOP-3638) Cache the iFile index files in memory to reduce seeks during map output serving

     [ https://issues.apache.org/jira/browse/HADOOP-3638?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jothi Padmanabhan updated HADOOP-3638:
--------------------------------------

    Attachment: hadoop-3638-v1.patch

Initial patch for review. Testing in progress

> Cache the iFile index files in memory to reduce seeks during map output serving
> -------------------------------------------------------------------------------
>
>                 Key: HADOOP-3638
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3638
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>    Affects Versions: 0.17.0
>            Reporter: Devaraj Das
>            Assignee: Jothi Padmanabhan
>             Fix For: 0.19.0
>
>         Attachments: hadoop-3638-v1.patch
>
>
> The iFile index files can be cached in memory to reduce seeks during map output serving.

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