Solution : https://service.sap.com/sap/support/notes/356370 (SAP Service marketplace login required)
Key words : 
maxusers                        =        512max_proc_per_user            =          1024max_per_proc_address_space   =   68719476736max_per_proc_data_size       =   68719476736per_proc_address_space       =   68719476736per_proc_data_size           =   68719476736per_proc_stack_size          =     536870912max_per_proc_stack_size      =     536870912max_threads_per_user        =          2048set, sem_mni                      =          512sem_msl                      =          512sem_opm                      =          512sem_ume                      =          512shm_max                      =    2139095040shm_mni                      =          512shm_seg                      =          512ssm_threshold                =  'delete, ubc_minpercent              =            10ubc_maxpercent              =            15ubc_borrowpercent            =            14vm_ubcseqstartpercent        =            50for systems, ubc_minpercent              =            5ubc_borrowpercent            =            9ubc_maxpercent              =            10vm_ubcseqstartpercent        =            50 inet, [file path] [subsystem]repeat, ipc           < interprocess configuration ipc, ipport_userreserved_min      =         16384ipport_userreserved          =        32768 obsolete parameters, current unix kernel values, vm            < virtual memory settingssysconfig -, proc          < processing settingssysconfig -
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