hadoop-hdfs-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Dhruba Borthakur <dhr...@gmail.com>
Subject Re: [VOTE] Commit hdfs-1024 to 0.20 branch
Date Sat, 03 Apr 2010 18:09:12 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.
>
> Thanks,
> St.Ack
>

-- 
Sent from Gmail for mobile | mobile.google.com

Connect to me at http://www.facebook.com/dhruba

Mime
View raw message