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


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Re: [VOTE] Commit hdfs-1024 to 0.20 branch
+1.

Hairong Kuang wrote:
> +1 Good catch!
>
> Hairong
>
> On Sat, Apr 3, 2010 at 12:55 PM, Andrew Purtell <[EMAIL PROTECTED]> wrote:
>
>> +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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