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Posted to hdfs-issues@hadoop.apache.org by "Sanjay Radia (JIRA)" <ji...@apache.org> on 2013/01/04 03:32:13 UTC

[jira] [Updated] (HDFS-4256) Support for concatenation of files into a single file in branch-1

     [ https://issues.apache.org/jira/browse/HDFS-4256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sanjay Radia updated HDFS-4256:
-------------------------------

    Attachment: HDFS-4256-2.patch

Updated patch.
* The editlog loggin within the syncroniozed block does not sync the log; this code is similar to the other methods in that class.
* DFSTestUtil change was made to ensure that the test files use the right block size. DFSTestUtil had been fixed in truck to do that and hence I backported it. 
                
> Support for concatenation of files into a single file in branch-1
> -----------------------------------------------------------------
>
>                 Key: HDFS-4256
>                 URL: https://issues.apache.org/jira/browse/HDFS-4256
>             Project: Hadoop HDFS
>          Issue Type: Test
>          Components: namenode
>    Affects Versions: 1.2.0
>            Reporter: Suresh Srinivas
>            Assignee: Sanjay Radia
>         Attachments: HDFS-4256-2.patch, HDFS-4256.patch
>
>
> HDFS-222 added support concatenation of multiple files in a directory into a single file. This helps several use cases where writes can be parallelized and several folks have expressed in this functionality.
> This jira intends to make changes equivalent from HDFS-222 into branch-1 to be made available release 1.2.0.

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