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From "Gera Shegalov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11812) Implement listLocatedStatus for ViewFileSystem to speed up split calculation
Date Wed, 08 Apr 2015 22:58:14 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14486267#comment-14486267
] 

Gera Shegalov commented on HADOOP-11812:
----------------------------------------

Test failure is unrelated. I will update the patch to satisfy FindBugs but path-based equality
defined in FileStatus is actually sufficient.

> Implement listLocatedStatus for ViewFileSystem to speed up split calculation
> ----------------------------------------------------------------------------
>
>                 Key: HADOOP-11812
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11812
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 2.7.0
>            Reporter: Gera Shegalov
>            Assignee: Gera Shegalov
>            Priority: Blocker
>              Labels: performance
>         Attachments: HADOOP-11812.001.patch, HADOOP-11812.002.patch
>
>
> ViewFileSystem is currently not taking advantage of MAPREDUCE-1981. This causes several
x of RPC overhead and added latency.



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