Re: [rules-users] Drools 5.3 partitioned rule base

Would you partition the KnowledgeBase or the Sessions? Additional would each Order being evaluated create a new session?

gboro54 wrote > Could you elaborate on that a little more Mark? > > > Mark Proctor wrote >> Parition yourself ahead of time. Choose a key that is a true partition >> of your data, chose the number of partitions, create a kbase per >> partition and then hash on your inserted data to get the target kbase. >> >> Mark >> On 02/03/2012 16:23, gboro54 wrote: >>> We are writing a billing system using Drools to evaluate orders placed >>> during >>> the day(this is a month to date process which will run nightly and we >>> will >>> be bringing a real-time solution online later this year after we rewrite >>> the >>> existing). Base fees of these orders can happen in parallel and in no >>> way >>> affect one another, however we have price caps which do depend on the >>> order >>> in which the cap is applied to the order(for certain conditions on an >>> order >>> a surcharge may be created if a cap is applied). My past experience will >>> Drools has been it is quicker to do as much evaluation up front rather >>> then >>> loop of a list of Orders and fire one at a time. However my experience >>> in >>> running Drools with this load is limited(by the end of the month we will >>> have to process 15 million orders). I am open to suggestions on the >>> best >>> way to do this. Additionally orders are reprocessed each night as orders >>> from a current day may affect the pricing of an order from previous >>> days(i.e >>> a tier rate may apply, etc.) >>> >>> >>> On a side note I found that the issue is a NPE exception one of my rules >>> which only occurs if I partition the rule base(I am not sure why this >>> would >>> make a difference). >>> >>> -- >>> View this message in context: >>> http://drools.46999.n3.nabble.com/Drools-5-3-partitioned-rule-base-tp3793... >>> Sent from the Drools: User forum mailing list archive at Nabble.com. >>> _______________________________________________ >>> rules-users mailing list >>> rules-users@.jboss >>> https://lists.jboss.org/mailman/listinfo/rules-users >> _______________________________________________ >> rules-users mailing list >> rules-users@.jboss >> https://lists.jboss.org/mailman/listinfo/rules-users >> -- View this message in context: http://drools.46999.n3.nabble.com/Drools-5-3-partitioned-rule-base-tp3793... Sent from the Drools: User forum mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users