In profiling Hibernate the sync wait times on SoftLimitMRUCache is near the top of the times

Solution Verified - Updated -

Issue

  • Profiling is showing a fair amount of contention on SoftLimitMRUCache - both .get() and .put().  QueryPlanCache.getHQLQueryPlan calls put() unconditionally.  Is there a reason for this?  The get call has already done the LRUMap.put

Environment

  • JBoss Enterprise Application Platform (EAP) 4.3_CP07
  • Hibernate 3.2.4.SP1_CP09

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