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From Andrew Purtell <apurt...@apache.org>
Subject Re: ANN: The fourth hbase 0.90.0 release candidate is available for download X
Date Wed, 19 Jan 2011 10:19:42 GMT
+1!

Best regards,

    - Andy

Problems worthy of attack prove their worth by hitting back.
   - Piet Hein (via Tom White)


--- On Tue, 1/18/11, Gary Helmling <ghelmling@gmail.com> wrote:

> From: Gary Helmling <ghelmling@gmail.com>
> Subject: Re: ANN: The fourth hbase 0.90.0 release candidate is available for download
X
> To: dev@hbase.apache.org
> Date: Tuesday, January 18, 2011, 5:20 PM
[...]

> 
> +1 on release.
> 
> --gh
> 
> 
> On Tue, Jan 18, 2011 at 11:24 AM, Jean-Daniel Cryans <jdcryans@apache.org>wrote:
> 
> > +1, ran the tests, checked out the docs, gave it a
> ride.
> >
> > J-D
> >
> > On Fri, Jan 7, 2011 at 5:03 PM, Stack <stack@duboce.net>
> wrote:
> > > The fourth hbase 0.90.0 release candidate is
> available for download:
> > >
> > >  http://people.apache.org/~stack/hbase-0.90.0-candidate-3/<http://people.apache.org/%7Estack/hbase-0.90.0-candidate-3/>
> > >
> > > This is going to be the one!
> > >
> > > Should we release this candidate as hbase
> 0.90.0?  Take it for a spin.
> > > Check out the doc., etc.  Vote +1/-1 by next
> Friday, the 14th of January.
> > >
> > > HBase 0.90.0 is the major HBase release that
> follows 0.20.0 and the
> > > fruit of the 0.89.x development release series
> we've been running of
> > > late.
> > >
> > > Over 1k issues have been closed since
> 0.20.0.  Release notes are
> > > available here: http://su.pr/8LbgvK.
> > >
> > > HBase 0.90.0 runs on Hadoop 0.20.x.  It does
> not currently run on
> > > Hadoop 0.21.0 nor on Hadoop
> TRUNK.   HBase will lose data unless it is
> > > running on an Hadoop HDFS 0.20.x that has a
> durable sync. Currently
> > > only the branch-0.20-append branch [1] has this
> attribute (See
> > > CHANGES.txt [3] in branch-0.20-append to see the
> list of patches
> > > involved adding an append). No official releases
> have been made from
> > > this branch as yet so you will have to build your
> own Hadoop from the
> > > tip of this branch, OR install Cloudera's CDH3
> [2] (Its currently in
> > > beta).  CDH3b2 or CDHb3 have the 0.20-append
> patches needed to add a
> > > durable sync. If using CDH, be sure to replace
> the hadoop jars that
> > > are bundled with HBase with those from your CDH
> distribution.
> > >
> > > There is no migration necessary.  Your data
> written with HBase 0.20.x
> > > (or with HBase 0.89.x) is readable by HBase
> 0.90.0.  A shutdown and
> > > restart after putting in place the new HBase
> should be all thats
> > > involved.  That said, once done, there is no
> going back to 0.20.x once
> > > the transition has been
> made.   HBase 0.90.0 and HBase 0.89.x write
> > > region names differently in the filesystem. 
> Rolling restart from
> > > 0.20.x or 0.89.x to 0.90.0RC1 will not work.
> > >
> > > Yours,
> > > The HBasistas
> > > P.S. For why the version 0.90 and whats new in
> HBase 0.90, see slides
> > > 4-10 in this deck [4]
> > >
> > > 1.
> > http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-append
> > > 2. http://archive.cloudera.com/docs/
> > > 3.
> > http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.20-append/CHANGES.txt
> > > 4. http://hbaseblog.com/2010/07/04/hug11-hbase-0-90-preview-wrap-up/
> > >
> >
> 


      

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