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https://issues.apache.org/jira/browse/MAPREDUCE-4511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ahmed Radwan updated MAPREDUCE-4511:
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Attachment: MAPREDUCE-4511_branch-1_rev4.patch
Here are updated patches that address the case when NativeIO is not available
(i.e., raPool == null), and also the case when the passed conf to
IFileInputStream is null. I saw these issues while conducting further testing.
> Add IFile readahead
> -------------------
>
> Key: MAPREDUCE-4511
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4511
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv1, mrv2
> Reporter: Ahmed Radwan
> Assignee: Ahmed Radwan
> Attachments: MAPREDUCE-4511_branch-1_rev2.patch,
> MAPREDUCE-4511_branch-1_rev3.patch, MAPREDUCE-4511_branch-1_rev4.patch,
> MAPREDUCE-4511_branch1.patch, MAPREDUCE-4511_trunk.patch,
> MAPREDUCE-4511_trunk_rev2.patch, MAPREDUCE-4511_trunk_rev3.patch,
> MAPREDUCE-4511_trunk_rev4.patch
>
>
> This ticket is to add IFile readahead as part of HADOOP-7714.
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