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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-6870) Add FileSystem#listLocatedStatus to list a directory's content together with each file's block locations
Date Tue, 27 Jul 2010 00:36:16 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-6870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hairong Kuang updated HADOOP-6870:
----------------------------------

    Attachment: listFiles3.patch

Doug, can not believe that you did not miss any exception! listFiles3.patch addressed your
concern on getSymLink.

> Add FileSystem#listLocatedStatus to list a directory's content together with each file's
block locations
> --------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-6870
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6870
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: fs
>    Affects Versions: 0.22.0
>            Reporter: Hairong Kuang
>            Assignee: Hairong Kuang
>             Fix For: 0.22.0
>
>         Attachments: listFiles.patch, listFiles1.patch, listFiles2.patch, listFiles3.patch
>
>
> This jira implements the new FileSystem API as proposed in HDFS-202. The new API aims
to eliminate individual "getFileBlockLocations" calls to NN for each file in the input directory
of a job. Instead, a file's block locations are returned together with FileStatus when listing
a directory, thus improving getSplits performance.

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