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Tuning Kernel Settings for HP-UX

This topic is part of Tuning Siebel Business Applications for HP-UX.

Modify the HP-UX kernel parameters to values like those shown as follows (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
msgmap                      4098 - (NPROC+2)
msgmni                      4096 - (NPROC)
msgtql                      4096 - (NPROC)
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)
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