topic shared memory question in Operating System - HP-UX

shared memory question

rammu — Thu, 13 Jul 2006 04:48:45 GMT

Hi anyone,
Plz let me know the commands which 'll give me the following informations

---Shared memory limits----:
max number of segments ?
max seg size (kbytes) ?
max total shared memory (kbytes) ?
min seg size (bytes)?
----- Semaphore Limits --------
max number of arrays ?
max semaphores per array ?
max semaphores system wide ?
max ops per semop call ?
semaphore max value ?
Plz.. thanks in advance
Rammu

Re: shared memory question

Ludovic Derlyn — Thu, 13 Jul 2006 04:59:56 GMT

hi,

kmtune -q "argument" or kctune "argument"if you are in hpux 11iv2

To see all parameters, try print_manifest

Regards

L-DERLYN

Re: shared memory question

H.Merijn Brand (procura — Thu, 13 Jul 2006 05:24:31 GMT

Install the attached kmtune.pl somewhere in your $PATH, and it'll allow you to do

a5:/u/usr/merijn 101 > kmtune.pl ^max
Parameter Value hex Value dec Function Default
-------------------- ------------ ----------- --------------------------- --------------------
max_async_ports 0x0000000032 50 50
max_fcp_reqs 0x0000000200 512 512
max_mem_window 0x0000000000 0 0
max_thread_proc 0x0000000040 64 64
maxdsiz 0x0010000000 268435456 0x10000000 0x04000000
maxdsiz_64bit 0x0040000000 1073741824 0x0000000040000000
maxfiles 0x000000003c 60 60
maxfiles_lim 0x0000000400 1024 1024
maxqueuetime 0x0000000000 0 0
maxssiz 0x0000800000 8388608 0x00800000
maxssiz_64bit 0x0000800000 8388608 0x00800000
maxswapchunks 0x0000000800 2048 2048 256
maxtsiz 0x0004000000 67108864 0x04000000
maxtsiz_64bit 0x0040000000 1073741824 0x0000000040000000
maxuprc 0x000000004b 75 75
maxusers 0x0000000200 512 512 32
maxvgs 0x000000000a 10 10
a5:/u/usr/merijn 102 >

Enjoy, Have FUN! H.Merijn

Re: shared memory question

rammu — Fri, 14 Jul 2006 01:08:21 GMT

Thanks a lot gents.. it really helped me a lot
Rammu