[rules-users] Server Sizing for Flow and Expert

[Greg Barton]

Ya, at least two cores is good, because you can use concurrent garbage collection more effectively.

--- On Mon, 12/14/09, Michael Rhoden <mrhoden at franklinamerican.com> wrote:

> From: Michael Rhoden <mrhoden at franklinamerican.com>
> Subject: Re: [rules-users] Server Sizing for Flow and Expert
> To: "Rules Users List" <rules-users at lists.jboss.org>
> Date: Monday, December 14, 2009, 10:19 AM
> You won't need much horsepower. If
> anything I would go 64 bit and put  
> 6-8 gigs of ram in the box. CPU won't matter much.
> 
> We run 10k rules on an old dual core, but the rulebase
> takes 2.5 gigs  
> of ram.
> 
> -Michael
> 
> On Dec 14, 2009, at 10:11 AM, Bruce Campbell  
> <CampbellBD at ldschurch.org>
> wrote:
> 
> > I will be starting a new project soon and my
> middleware folks need  
> > to size a server for it.  Does anyone have any
> input as to how they  
> > (middleware) can adjust their usual sizing exercise to
> account for  
> > the use of Flow and Expert?  Here are some
> "facts" that may or may  
> > not be relevant...
> > We do not have any significant experience with Flow
> nor Expert
> > We will be using the "current" release of Drools as of
> January 4th  
> > 2010
> > Websphere in the middle, Oracle in the back
> > Our main Expert routine will run every 10 minutes and
> >  will determine which of our 10-ish "flows" the
> work items will travel
> >  may contain 500 - 1000 rules (guestimated by a
> noob)...
> >  will process the rules once-through for each
> item in the batch  
> > (little or no rule interactions)
> >  a batch would typically contain 10- 100 items to
> process..
> >  but could contain up to 300 after a severe
> outage.
> >  batch size could be controlled if necessary.
> >  and will likely run on the same server as the
> "Flow" application...
> > Our internal web application will be primarily Flow
> driven with...
> >    50-ish user, 35 concurrent
> >    10 "flows" with simple to moderate
> complexity from a processing  
> > perspective, mainly human tasks. (much of the time
> someone will  
> > check a few boxes, add some comments, and the work
> item will flow to  
> > the next step/person.)
> > I'm hopeful someone can pipe in with how Flow and
> Expert change the  
> > typical sizing exercise, however, I appreciate any
> input you may  
> > have whether related to sizing or not..
> > thanks in advance
> > Bruce
> >
> >
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