[jira] [Comment Edited] (MAPREDUCE-4511) Add IFile readahead

["Matt Foley (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13466618#comment-13466618 ] 

Matt Foley edited comment on MAPREDUCE-4511 at 10/1/12 2:23 PM:
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In branch-1.1, committed 4-line change to this patch, r1392182, to avoid use of interface HasFileDescriptor, which doesn't exist until 1.2.0.
                
      was (Author: mattf):
    In branch-1.1, committed 2-line change to this patch, r1392179, to avoid use of interface HasFileDescriptor, which doesn't exist until 1.2.0.
                  
> Add IFile readahead
> -------------------
>
>                 Key: MAPREDUCE-4511
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4511
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: mrv1, mrv2, performance
>            Reporter: Ahmed Radwan
>            Assignee: Ahmed Radwan
>             Fix For: 1.1.0, 2.0.2-alpha
>
>         Attachments: MAPREDUCE-4511_branch1.patch, MAPREDUCE-4511_branch-1_rev2.patch, MAPREDUCE-4511_branch-1_rev3.patch, MAPREDUCE-4511_branch-1_rev4.patch, MAPREDUCE-4511_branch-1_rev5.patch, MAPREDUCE-4511_branch-1_rev6.patch, MAPREDUCE-4511_branch-1_rev7.patch, MAPREDUCE-4511_trunk.patch, MAPREDUCE-4511_trunk_rev2.patch, MAPREDUCE-4511_trunk_rev3.patch, MAPREDUCE-4511_trunk_rev4.patch, MAPREDUCE-4511_trunk_rev5.patch, MAPREDUCE-4511_trunk_rev6.patch
>
>
> This ticket is to add IFile readahead as part of HADOOP-7714.

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