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From Mikael Sitruk <mikael.sit...@gmail.com>
Subject Re: ANN: The third hbase 0.94.0 release candidate is available for download
Date Fri, 11 May 2012 05:04:51 GMT
Stack do you have latency graph during the time the RS and HMaster were
down? (did you see a big variance in latency)?
BTW this test is a MR/scan test or you also have update and delete?


On Fri, May 11, 2012 at 7:15 AM, Stack <stack@duboce.net> wrote:

> On Tue, May 1, 2012 at 4:26 PM, lars hofhansl <lhofhansl@yahoo.com> wrote:
> > The third 0.94.0 RC is available for download here:
> http://people.apache.org/~larsh/hbase-0.94.0-rc3/
> > (My gpg key is available from pgp.mit.edu. Key id: 7CA45750)
> >
> I'm +1 on this RC going out as 0.94.0.  On the hadoop 2.0.0 issues,
> I'm w/ Andy that we can fix in a point release.
> I loaded a small cluster of 5 nodes running the tip of 0.92 branch
> with 10B rows using the goraci tool (so via gora).  I verified that
> there no dangling references with the goraci Verify step.  I then
> killed the master and stood up the 0.94.0rc3 master and reran the
> Verify step (a full scan of the table).  Did some other poking around
> to make sure all was good w/ a 0.94.0 master in a 0.92 cluster.  I
> killed a regionserver and brought up a 0.94.0 and made sure all was
> good.  I stopped the cluster and brought it all up 0.94.0.  I'd left a
> Verify running during the restart and the MR job completed anyways.
> The Verify step on a clean 0.94.0, a big scan, seems to have run to
> completion in about 15% less time than did 0.92.  I checked out the
> logs.  Nothing untoward.
> St.Ack

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