From: Michael Rhoden <mrhoden(a)franklinamerican.com&gt; Subject: Re: [rules-users] Server Sizing for Flow and Expert To: "Rules Users List" <rules-users(a)lists.jboss.org&gt; 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(a)ldschurch.org&gt; 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 > > > NOTICE: This email message is for the sole use of the intended  > recipient(s) and may contain confidential and privileged  > information. Any unauthorized review, use, disclosure or  > distribution is prohibited. If you are not the intended recipient,  > please contact the sender by reply email and destroy all copies of  > the original message. > > > > _______________________________________________ > rules-users mailing list > rules-users(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users