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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9984) FileSystem#globStatus and FileSystem#listStatus should resolve symlinks by default
Date Fri, 04 Oct 2013 18:10:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13786432#comment-13786432
] 

Chris Nauroth commented on HADOOP-9984:
---------------------------------------

bq. We agreed that HADOOP-9972 (new symlink-aware API for globStatus) should get into Hadoop
2 GA.

Colin, I don't remember this decision from the call.  Can you please clarify?  I don't think
it's urgent to do this for GA, because adding the APIs proposed in HADOOP-9972 will be backwards-compatible.

> FileSystem#globStatus and FileSystem#listStatus should resolve symlinks by default
> ----------------------------------------------------------------------------------
>
>                 Key: HADOOP-9984
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9984
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs
>    Affects Versions: 2.1.0-beta
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>            Priority: Blocker
>         Attachments: HADOOP-9984.001.patch, HADOOP-9984.003.patch, HADOOP-9984.005.patch,
HADOOP-9984.007.patch, HADOOP-9984.009.patch, HADOOP-9984.010.patch, HADOOP-9984.011.patch,
HADOOP-9984.012.patch, HADOOP-9984.013.patch, HADOOP-9984.014.patch, HADOOP-9984.015.patch
>
>
> During the process of adding symlink support to FileSystem, we realized that many existing
HDFS clients would be broken by listStatus and globStatus returning symlinks.  One example
is applications that assume that !FileStatus#isFile implies that the inode is a directory.
 As we discussed in HADOOP-9972 and HADOOP-9912, we should default these APIs to returning
resolved paths.



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