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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4256) Support for concatenation of files into a single file in branch-1
Date Sun, 02 Dec 2012 18:35:58 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13508317#comment-13508317
] 

Suresh Srinivas commented on HDFS-4256:
---------------------------------------

This work was done three years ago!

bq. This just feels like more backward work to me
I actually do not think so. No one is proposing porting all the features or large features
like Federation. That will be a lot of work. On the contrary, not porting small improvements
to stable releases has resulted people putting together their own Frankenstein releases or
move to non Apache releases into other distributions that backport changes.

bq. But am not intending to block it in any way...
I have seen these type of discussions in a couple of the jiras :-) In the end what goes in
is a call of Release Manager. As long we are not backporting changes that result in huge stability
issues or if it is mitigated with adequate testing, I do not see why back porting should be
discouraged.
                
> 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: Suresh Srinivas
>
> 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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