topic Re: Tuning - Kernel parameters in Operating System - HP-UX https://community.hpe.com/t5/operating-system-hp-ux/tuning-kernel-parameters/m-p/3906611#M283866 Hi Alexander<BR />Heres what I have on one box:<BR />semmni 4096<BR />semmns (SEMMNI*2)<BR />semmnu (NPROC-4)<BR />shmmax 0X80000000<BR />shmmni 512<BR />shmseg 400<BR />sysv_hash_locks 200<BR />On another:<BR />semmni 4306<BR />semmns 8612<BR />semmnu 4112<BR />semume 30<BR />shmmax 1073741824<BR />shmmni 512<BR />shmseg 200<BR />...<BR />But looking with sysdef<BR />both have:<BR />e.g.<BR />sema 0 - 0-1 -<BR />semmap 4305 - 4- -<BR /><BR />sema set to 0 which is not your case...<BR />If you change the value, it will be taken account on next reboot only...<BR /><BR /><BR />All the best<BR />Victor Fri, 01 Dec 2006 10:01:15 GMT Victor BERRIDGE 2006-12-01T10:01:15Z Tuning - Kernel parameters https://community.hpe.com/t5/operating-system-hp-ux/tuning-kernel-parameters/m-p/3906610#M283865 I have some processes of oracle 8i on HPUX11.11, in wait state due to insufficiency of semaphores, the configuration of the parameters of kernel is: <BR />sema 1 <BR />semaem 16384 <BR />semmap 4098 <BR />semmni 4096 <BR />semmns 4096 <BR />semmnu 2048 <BR />semmsl 4096 <BR />semume 1024 <BR />semvmx 64000 <BR /><BR />I accep suggestions about this, the minimum values recommended by Oracle are set. Fri, 01 Dec 2006 09:14:47 GMT https://community.hpe.com/t5/operating-system-hp-ux/tuning-kernel-parameters/m-p/3906610#M283865 Alexander Maldonado 2006-12-01T09:14:47Z Re: Tuning - Kernel parameters https://community.hpe.com/t5/operating-system-hp-ux/tuning-kernel-parameters/m-p/3906611#M283866 Hi Alexander<BR />Heres what I have on one box:<BR />semmni 4096<BR />semmns (SEMMNI*2)<BR />semmnu (NPROC-4)<BR />shmmax 0X80000000<BR />shmmni 512<BR />shmseg 400<BR />sysv_hash_locks 200<BR />On another:<BR />semmni 4306<BR />semmns 8612<BR />semmnu 4112<BR />semume 30<BR />shmmax 1073741824<BR />shmmni 512<BR />shmseg 200<BR />...<BR />But looking with sysdef<BR />both have:<BR />e.g.<BR />sema 0 - 0-1 -<BR />semmap 4305 - 4- -<BR /><BR />sema set to 0 which is not your case...<BR />If you change the value, it will be taken account on next reboot only...<BR /><BR /><BR />All the best<BR />Victor Fri, 01 Dec 2006 10:01:15 GMT https://community.hpe.com/t5/operating-system-hp-ux/tuning-kernel-parameters/m-p/3906611#M283866 Victor BERRIDGE 2006-12-01T10:01:15Z