[rules-users] Are retracted events garbage collected in stateful session?
John
jfullard at progeny.net
Tue Oct 4 11:51:08 EDT 2011
I am inserting a high volume of relatively large objects into a long-running
StatefulKnowledgeSession in Stream mode. I use a rule to start a jbpm
process when each event is received, and the last step retracts the event.
I assumed these were all being garbage collected until my app server started
running out of memory. I ran a profiler and saw that none of my event
objects were ever collected.
Is there any way of freeing references without disposing the working memory?
This is not a good option for our app. I have read this post
http://drools.46999.n3.nabble.com/Removing-facts-from-statefulknowledgeSession-s-memory-td1875795.html#a1881799
Removing-facts-from-statefulknowledgeSession-s-memory and several others,
but my objects are all manually retracted. I just need to make them
available for garbage collection.
I am running drools 5.2.0 Final, guvnor 5.2.0 Final, and jbpm 5.1.0 Final
and I am using the BusinessRulesProcessor action in jboss to insert events.
Thanks,
John
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