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From Eli Collins <...@cloudera.com>
Subject Re: Hadoop 0.22 update
Date Tue, 02 Aug 2011 19:25:22 GMT
On Tue, Aug 2, 2011 at 12:19 PM,  <Milind.Bhandarkar@emc.com> wrote:
> Having talked to various folks in the community about their willingness to
> stabilize and use 0.22 and make it production-quality, here is what I
> propose:
>
> 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.
>
> 2. Later, when MR-2178 patch is committed, cut a release for 0.22.1. (I
> have heard of folks working on it, but no date commitments yet.)
>
> 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), 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 ?
>

Sounds reasonable to me.  #1 is what we did for the 0.21 release.

Thanks,
Eli

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