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From Allen Wittenauer ...@apache.org>
Subject Re: Hadoop 0.22 update
Date Tue, 02 Aug 2011 19:57:57 GMT

On Aug 2, 2011, at 12:19 PM, <Milind.Bhandarkar@emc.com>
 <Milind.Bhandarkar@emc.com> wrote:
> 1. Cut a release 0.22.0 without mapreduce-2178 patch, with
> hadoop.security.authentication set to simple (I.e. No authentication).
> Make sure that MR-2178 is highlighted as known-issue in the top-level dir
> (create a KNOWN-ISSUES.txt ?), and carry out a vote.

	This is a great way to end up on CERT, "known issue" or not.  That's not a place where you
want to be.

> The reason a 0.22.0 release should happen, IMHO, even without MR-2178, is
> that the other components of Hadoop stack (e.g. Pig, hbase, hive etc) will
> have a release to test against, and fix any issues for incompatibility.
> Also, for folks who do not use kerberos authentication (>90% of the hadoop
> users, to my knowledge),

	I'm 99% certain that the task controller code is independent of Kerberos usage since it has
its own conflg var...

> it will be a release closest to trunk, with HDFS
> appends. Plus, any issues found in the HDFS part of the release would be
> directly applicable to the trunk and other future releases. (Not so about
> map-reduce, which will undergo major surgery in trunk because of MR-279.)
> Thoughts ?

	I'd rather have the task-controller code ripped out than shipped broken.

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