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HDFS >> mail # dev >> [VOTE] Commit hdfs-1024 to 0.20 branch


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Stack 2010-04-02, 17:38
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Todd Lipcon 2010-04-02, 17:41
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Konstantin Shvachko 2010-04-05, 21:17
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Dhruba Borthakur 2010-04-03, 18:09
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Re: [VOTE] Commit hdfs-1024 to 0.20 branch
+1

> On 4/2/10, Stack <[EMAIL PROTECTED]>  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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Hairong Kuang 2010-04-05, 19:08
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Jakob Homan 2010-04-05, 20:35
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Jean-Daniel Cryans 2010-04-03, 19:03