Solution : https://service.sap.com/sap/support/notes/1565536 (SAP Service marketplace login required)
Key words : 
separate libjvm libraries loaded, symptom sap jvm 6, solution sap jvm 6, sap jvm build 6, bug fixes included, jstartup/vm/dllname, check sap note 1521496, fixed performance degradation, reduced wait time, sap jvm patch
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