[jboss-jira] [JBoss JIRA] (DROOLS-1635) InMemorySessionFactory has apparent memory leak

[Hiroko Miura (JIRA)]

Hiroko Miura created DROOLS-1635:
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             Summary: InMemorySessionFactory has apparent memory leak
                 Key: DROOLS-1635
                 URL: https://issues.jboss.org/browse/DROOLS-1635
             Project: Drools
          Issue Type: Bug
          Components: core engine
    Affects Versions: 6.5.0.Final
            Reporter: Hiroko Miura
            Assignee: Maciej Swiderski


I'm running drools with a runtime manager creating using PerRequest strategy and SessionCache turned on. (I process a LOT of requests but I want each one to be isolated)

The SessionCache properly gets rid of sessions that have hung around too long, which is great.

But the InMemorySessionFactory keeps a copy of every session it ever created, which -- it seems to me -- impedes garbage collection of unneeded, old sessions.

It's possible I'm just reading this wrong, but examinations of running code using VisualVM show a LOT of RightTuple objects hanging around, attached to sessions and their GC root appears to be the InMemorySessionFactory.



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