[rules-users] OutOfMemoryError using 6.0.1

[john poole]

I've converted some NurseRostering rules, which worked in Drools 5.50, to
OptaPlanner 6.0.1. While it works far better for the time it runs, it uses
up whatever memory I can give it (9GB) and then eventually crashes the GUI.

with:
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: GC
overhead limit exceeded 

Is there a way to limit how much memory OptaPlanner uses? Or is it likely
that I'm just adding fact to the WorkingMemory in a way that wasn't a
problem in 5.5 but is a problem in 6.0?





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