I'd like to start a little survey and get to know what is your experience with performance of jBPM.
I encountered problems lately when loading TaskInstances with according ContextVariables (http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4033915#4033915).
Now I'm wondering whether jBPM is the right solution as workflow engine, respectively whether there are better ways when performance is crucial.