Performance Tuning Guide > Tuning Operating Systems for Performance > Tuning Siebel Business Applications for HP-UX >
Tuning Kernel Settings for HP-UX
Modify the HP-UX kernel parameters to values like those shown below (suggested guidelines). Use the HP-UX System Administration Manager (SAM) tool to make these changes. nproc 4096 - 4096 ksi_alloc_max 32768 - (NPROC*8) max_thread_proc 4096 - 4096 maxdsiz 0x90000000 - 0X90000000 maxdsiz_64bit 2147483648 - 2147483648 maxfiles 4000 - 4000 maxssiz 401604608 - 401604608 maxssiz_64bit 1073741824 - 1073741824 maxtsiz 0x40000000 - 0X40000000 maxusers 128 - 128 msgmap 4098 - (NPROC+2) msgmni 4096 - (NPROC) msgtql 4096 - (NPROC) ncallout 8000 - 8000 nclist 2148 - (100+16*MAXUSERS) ncsize 35840 - (8*NPROC+2048+VX_NCSIZE) nfile 67584 - (16*NPROC+2048) ninode 34816 - (8*NPROC+2048) nkthread 7184 - (((NPROC*7)/4)+16) nproc 4096 - 4096 nsysmap 8192 - ((NPROC)>800?2*(NPROC):800) nsysmap64 8192 - ((NPROC)>800?2*(NPROC):800) semmap 1026 - 1026 semmni 1024 - 1024 semmns 16384 - ((NPROC*2)*2) semmnu 2048 - 2048 semume 256 - 256 shmmax 0x40000000 Y 0X40000000 shmmni 1024 - 1024 shmseg 1024 Y 1024 vps_ceiling 64 - 64
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