Solution : https://service.sap.com/sap/support/notes/1726296 (SAP Service marketplace login required)
Key words : 
disable 16mb memory page size support, command line option -xx, detect synchronization issues related, subsequent monitor-related operations, fixed memory leak, improves uncontended synchronization performance, symptom sap jvm 5, solution sap jvm 5, jit compiler kicks, collect profiling data
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