java - Memory issues on drools while creating knowledge base -

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i using drools5.5.0 in application. have decision table has 30,000 rules in it. knowledge base need created 10 such decision tables.

i have serialised decision tables out , loading packages knowledge base. cannot create knowledge base due memory problems. having 16 gb java heap , 4 gb permgen far.

these questions.

is requires these memory or not??

if so., there anyother best practice reduce memory usage??


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