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From "Wladimir Boton" <wbo...@gmail.com>
Subject Re: Load Balancing installation
Date Thu, 02 Aug 2007 17:23:33 GMT
Hi Leon, could you send the information to the list until you have acces to
the wiki?


On 8/1/07, Leon Messerschmidt <leon.messerschmidt@lonelyplanet.com.au>
wrote:
>
>
> I've done quite a bit of work on this and I could add a summary of all
> the load balancing information that is scattered through the mailing
> list in the wiki if I could get access to it.
>
> ~  Leon
>
> On Wed, 2007-08-01 at 18:02 -0400, Andrew Smalera wrote:
> > Glad I can perhaps contribute something here since the list has been so
> > valuable to me.
> >
> > I have recently had Roller deployed to a high availability
> environment.  My
> > understanding (from what the datacenter folks tell me) is that the HA
> > configuration part of things is a load balancer in front of 2 boxes,
> each
> > with Apache, mod_jk, and Tomcat 5.0.  Behind that is an Oracle RAC DB (2
> > boxes also).  I'm not sure what load balancing method is being used.  So
> far
> > it seems to be running fine.
> >
> > some things I've noticed are:
> >
> > 1 - If you're changing some core settings (like front page blog handle I
> > believe) you'll want to restart the web app in Tomcat on the other
> server
> > for it to pick it up
> > 2 - I deployed Roller as a unpacked directory vs. a WAR file and pointed
> > both servers at a shared location, seems to be working fine no competing
> for
> > resources etc.
> > 3 - I set the file uploads directory to also be the same folder at a
> shared
> > location which I believe will eliminate the issue of one server
> uploading
> > the file and the other one not seeing it..  so I'd suggest doing that.
> >
> > We just deployed a few days ago so if I see anything else useful to
> relay I
> > will post it.
> >
> > Andrew
> >
> >
> >
> >
> > ----- Original Message -----
> > From: "Wladimir Boton" <wboton@gmail.com>
> > To: <user@roller.apache.org>
> > Sent: Wednesday, August 01, 2007 2:12 PM
> > Subject: Load Balancing installation
> >
> >
> > > Hi, How do I install Roller Weblogger in a Load Balacing
> infrastructure?
> > >
> > > I would like to install Roller in two machines. Thought round robin
> DNS or
> > > hardware load balance device the user should be able to access either
> one
> > > and see the same posts and comments.
> > >
> > > I think that I should install Tomcat using load balance with JK or
> > > mod_proxy. But and about Roller itself? It is prepared to share the
> same
> > > database? And about sharing the post images?
> > >
> > > I googled this subject and didn't find useful information.
> > > Someone can help?
> > >
> > > --
> > > Wladimir Boton
> > > http://www.wboton.com
> > >
> >
>
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-- 
Wladimir Boton
http://www.wboton.com

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