Solution : https://service.sap.com/sap/support/notes/520568 (SAP Service marketplace login required)
Key words : 
zip sun solaris 64-bit  general/3rdparty/oracle/solaris_64/8, zip sun solaris 32-bit general/3rdparty/oracle/solaris/8, zip hp-ux 32-bit general/3rdparty/oracle/hp_ux11, zip hp-ux 64-bit  general/3rdparty/oracle/hp_ux64/8, 2 hp-ux 64-bit   general/3rdparty/oracle/hp_ux64/8, zip aix 32-bit  general/3rdparty/oracle/aix/8, zip aix 64-bit   general/3rdparty/oracle/aix64/8, 3 aix 64-bit  general/3rdparty/oracle/aix64/8, zip compaq tru64general/3rdparty/oracle/compaq_tru64/8, zip       oracle 8
Related Notes : 
       
| 568781 | Performance improvement of search modules (GetList) | 
| 514758 | ORA-4031 and database hang after upgrade to 8.1.7.3 | 
| 505246 | Several ora-600 [12333] and ora-4031 errors | 
| 354080 | Note collection for Oracle performance problems |