Solution : https://service.sap.com/sap/support/notes/1564550 (SAP Service marketplace login required)
Key words : 
ini setting wily instrumentation=true, hp-ux / ia-64 platform, support wily instrumentation monitoring, wily instrumentation=true, wily instrumentation monitoring, alternate monitoring tools, hp-ux server, supported caused instability, - change list #99146o, specific flaw addressed
Related Notes : 
       
| 1635783 | SAP Release Note for MDM 7.1 SP08 Patch01 | 
| 1573045 | |
| 1572080 | SAP Release Note for MDM 7.1 SP05 Patch40 | 
| 1572079 | SAP Release Note for MDM 7.1 SP06 Patch11 | 
| 1244358 | Release Restrictions for SAP NetWeaver MDM 7.1 |