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From Todd Lipcon <t...@cloudera.com>
Subject Re: HBase on Hadoop 0.21
Date Wed, 07 Jul 2010 21:03:30 GMT
That said, the API of 0.21 should be pretty close to compatible, so even
though most testing will be happening against the branches Ryan mentioned
below, I think we should be able to trivially work on either those branches
or 0.21 in the 0.90 timeframe.

-Todd

On Wed, Jul 7, 2010 at 1:25 PM, Ryan Rawson <ryanobjc@gmail.com> wrote:

> There is no released version of Hadoop 0.21.  For the foreseeable
> future HBase releases will depend on either CDHv3 or the ASF append
> branch.
>
> -ryan
>
> On Wed, Jul 7, 2010 at 9:38 AM, Jean-Daniel Cryans <jdcryans@apache.org>
> wrote:
> > HBase probably won't support 0.21 at all, since that release is marked
> > unstable. HBase 0.90 will be on hadoop 0.20-append which has a
> > different implementation for sync (HDFS-200 instead of HDFS-265).
> >
> > I personally expect that everything will be tied back together for Hadoop
> 0.22
> >
> > J-D
> >
> > On Wed, Jul 7, 2010 at 7:51 AM, Thomas Koch <thomas@koch.ro> wrote:
> >> Hi,
> >>
> >> I've checked the Release Notes of HDFS 0.21 and saw two fixes from
> hadoop-
> >> append included, other two not, but still some more that have to do with
> sync
> >> stuff.
> >> Is Hadoop-append for HBase made obsolete with HDFS 0.21?
> >>
> >> Thank you,
> >>
> >> Thomas Koch, http://www.koch.ro
> >>
> >
>



-- 
Todd Lipcon
Software Engineer, Cloudera

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