I'd recommend you try 6.0, as there are a number of performance improvements there. Mark On 6 Mar 2014, at 12:02, Raja Sekhar <raja.amirapu(a)gmail.com&gt; wrote: Hi All, We have the following config. options for the KnowledgeBase can we increase the performance of rules by enabling these options left and right memory index is enabled by default. multi-threading was experimental and we disabled it in the end, as it was too unstable. Mar - drools.indexLeftBetaMemory = <true/false> - drools.indexRightBetaMemory = <true/false> - drools.maxThreads = <-1|1..n> - drools.multithreadEvaluation = <true|false> Regards, -- Raja Sekhar Amirapu ------------------------------------------------------ _______________________________________________ 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