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From Andrew Purtell <apurt...@apache.org>
Subject Re: [VOTE] Commit hdfs-1024 to 0.20 branch
Date Sat, 03 Apr 2010 19:55:53 GMT
+1

> On 4/2/10, Stack <stack@duboce.net>  wrote:
> > Please on committing HDFS-1024 to the hadoop 0.20 branch.
> >
> > Background:
> >
> > HDFS-1024 fixes possible trashing of fsimage because
> > of failed copy from 2NN and NN.  Ordinarily, possible
> > corruption of this proportion would merit commit w/o
> > need of a vote only Dhruba correctly notes that UNLESS
> > both NN and 2NN are upgraded, HDFS-1024 becomes an
> > incompatible change (the NN<->2NN communication will
> > fail always).  IMO, this incompatible change can be
> > plastered over with a release note; e.g.
> > WARNING, you MUST update NN and 2NN when you go to
> > 0.20.3 hadoop.  If you agree with me, please vote +1
> > on commit.



      


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