Hi,<br><br>I encountered a serious performance problem using Jboss Rules 3.0.1. The process was executed on a pretty strong machine - a DL350 4 cpu RedHat machine. The process was using about 100% CPU and I used a profiler to see what&#39;s going on: 
<br><br>My application adds/removes objects to/from the working memory of a stateful rule session quite intensively (2000-3000 per sec), though the intensive actions were related to a single rule session and only a few extra rule sessions existed simultaneously. It turned out that about 7-10% of CPU was consumed per a single add/remove operation. More specifically, 
ReteooWorkingMemory.doRetract() and ReteooWorkingMemory.doAssertObject() were the major consumers. I would expect a basic operation like this to be significantly less CPU intensive.<br><br>Would you please provide more information, is my benchmark too ambitious? Do you recommend an upgrade to version 
3.0.6? 3.1? If so, please elaborate what were the performance improvements.<br><br>Best regards,<br>Einat Idan<br><br><br><br><br>