StatelessKnowledgeSessionImpl constructor bottle-neck in BRMS

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Issue

During a run performance test, BRMS application slows and hangs with many threads blocked.
After switching from StatefulKnowledgeSession to StatelessKnowledgeSession and creating multiple instances of StatelessKnowledgeSession is causing performance problems for application.

Environment

JBoss Enterprise BRMS (BRMS)
- 5.3.1

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