Java heap retention in org.drools.core.impl.KnowledgeBaseImpl

Solution Unverified - Updated -

Issue

  • Experiencing JVM heap memory issues around org.drools.core.impl.KnowledgeBaseImpl. It is consistently high consumer of memory in our heap.
  • We are seeing: Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded and org.drools.core.impl.KnowledgeBaseImpl consumption in heap.

Environment

  • Red Hat JBoss Enterprise Application Platform
    • 6
    • 7
  • Red Hat JBoss BRMS

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