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

[Devaraj Das (JIRA)]

Cache the iFile index files in memory to reduce seeks during map output serving
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                 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: Devaraj Das
             Fix For: 0.19.0


The iFile index files can be cached in memory to reduce seeks during map output 
serving.

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