Server Tuning on HP-UX

The kernel tunable values being set in version 11.31.01 of the Server-Tunables product are shown in
Table 1.
Table 1. Tunable values for version 11.31.01
Tunable
New
Value
Default
Value
Remarks
max_async_ports maxuprc 4096
maxfiles 8192 2048
maxfiles_lim 8192 4096
max_thread_proc 3000 256
maxuprc 27000 256 approximately 250*cpucnt
nproc 30000 4200
approximately 1.1*maxuprc
(limited by process_id_max – process_id_min,
i.e. max 30000)
msgmnb 65356 16384
msgmni 4096 512
msgtql 4096 1024
nkthread 250000 8416
nstrtpty 200 60
npty 200 60
semmni 8192 2048
semmns 60000 4096 should be >= nproc
semmnu 27000 256
or 4096, depending on available system
memory.
Semmsl 128 2048
semume 512 100
maxdsiz 3GB 1GB
maxdsiz_64bit 256GB 4GB
3