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https://issues.apache.org/jira/browse/HADOOP-3514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12625027#action_12625027
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Hadoop QA commented on HADOOP-3514:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12388669/hadoop-3514-v9.patch
against trunk revision 688101.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 3 new or modified tests.
-1 patch. The patch command could not apply the patch.
Console output:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3089/console
This message is automatically generated.
> Reduce seeks during shuffle, by inline crcs
> -------------------------------------------
>
> Key: HADOOP-3514
> URL: https://issues.apache.org/jira/browse/HADOOP-3514
> Project: Hadoop Core
> Issue Type: Improvement
> Components: mapred
> Affects Versions: 0.18.0
> Reporter: Devaraj Das
> Assignee: Jothi Padmanabhan
> Fix For: 0.19.0
>
> Attachments: hadoop-3514-v1.patch, hadoop-3514-v2.patch,
> hadoop-3514-v3.patch, hadoop-3514-v4.patch, hadoop-3514-v5.patch,
> hadoop-3514-v6.patch, hadoop-3514-v7.patch, hadoop-3514-v8.patch,
> hadoop-3514-v9.patch, hadoop-3514.patch
>
>
> The number of seeks can be reduced by half in the iFile if we move the crc
> into the iFile rather than having a separate file.
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