I'm tracking down HBASE-3312
Happens consistently with my test case. I can't believe it will be rare.
Best regards,
- Andy
--- On Thu, 12/9/10, Stack <[email protected]> wrote:
> From: Stack <[email protected]>
> Subject: Re: ANN: The second hbase 0.90.0 release candidate is available for
> download
> To: [email protected]
> Date: Thursday, December 9, 2010, 3:42 PM
> Ok. Will put up new RC in next
> few days.
> St.Ack
>
> On Thu, Dec 9, 2010 at 11:07 AM, Jean-Daniel Cryans <[email protected]>
> wrote:
> > -1
> >
> > A bunch of issues were found, on my part there would
> be HBASE-3318,
> > 3321 and 3326. There's also Todd's OOME on the master
> that needs some
> > care.
> >
> > J-D
> >
> > On Tue, Dec 7, 2010 at 9:25 AM, Stack <[email protected]>
> wrote:
> >> The second hbase 0.90.0 release candidate is
> available for download:
> >>
> >> http://people.apache.org/~stack/hbase-0.90.0-candidate-1/
> >>
> >> 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.
> >>
> >> More than 974 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.
> >>
> >> Should we release this candidate as hbase 0.90.0?
> Take it for a spin.
> >> Check out the doc., etc. Vote +1/-1 by
> December 13th.
> >>
> >> 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/
> >>
> >
>
