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From John Langley <langleyatw...@gmail.com>
Subject Re: mysql amazon RDS configuration and clustering
Date Thu, 31 Mar 2011 12:15:47 GMT
Thanks, that may be same sort of thing I'm seeing in 2.2.5. I hope to get
back to this next week sometime and have some more concrete information.

-- Langley

On Thu, Mar 31, 2011 at 7:53 AM, Vidar Ramdal <vidar@idium.no> wrote:

> On Wed, Mar 30, 2011 at 2:27 PM, John Langley <langleyatwork@gmail.com>
> wrote:
> > I'd be interested in hearing from  people been using Amazon's RDS _and_
> been
> > using jackrabbit clustering with it.
> >
> > I ran an experiment a week or so ago where I could consistently cause a
> > mysql deadlock under load. However, my current hypothesis is that this is
> > due to a mysql configuration issue (it was an innodb lock, although I
> don't
> > have the details of it to share right now although I can tell you it was
> on
> > an index for one of the version tables).
> >
> > So, I'd be interested in finding out if other people have done this
> already.
> > My code base was 2.2.5 and so has many of the recent lock/deadlock fixes
> in
> > it.
>
> We are doing this, with Jackrabbit 1.6.3. It works mostly fine, but we
> have seen some SQL Timeout exceptions, related to locking the
> revisions table, when doing workspace.import of large dumps.
>
> --
> Vidar S. Ramdal <vidar@idium.no> - http://www.idium.no
> Sommerrogata 13-15, N-0255 Oslo, Norway
> + 47 22 00 84 00
> Quando omni flunkus moritatus!
>

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