Date: Mon, 11 Aug 2003 23:11:13 +0300 From: "Vitali Malicky" <life@zone3000.net> To: <questions@freebsd.org> Subject: Re: semaphores Message-ID: <013e01c36044$b6ca26d0$2401010a@zone3000.net> References: <20030811160516.A13133@tehran>
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> Hi,
Hi!
> I was installing perl 5.8 and it would fails. Lost the error message,
sorry.
> However, running a google search on the error message gave only one
> result suggesting that my system was running out of semaphores. So,
> `ipcs` showed that postgresql was using them and so stopping this db
allowed
> perl to be installed.
>
> Now I can run both perl5.8 and postgresql, but, how do I know whether my
> system is low on semaphores, and if so, how do I increase it ?
rebuild the kernel with options like these (take mine for exmaple)
###
options SYSVSHM #SYSV-style shared memory
options SHMMAXPGS=65535 ### for Oracle...
options SHMALL=8192
options SHMMAX="(SHMMAXPGS*PAGE_SIZE+1)"
options SHMMIN=2
options SHMMNI=512 ### for Oracle...
options SHMSEG=512 ### for Oracle...
###
options SYSVSEM #SYSV-style semaphore
options SEMMAP=512
options SEMMNI=512 ### for Oracle...
options SEMUME=512
options SEMMNS=1024 ### for Oracle...
options SEMMNU=512
options SEMMSL=256 ### for Oracle...
options SEMOPM=256
###
options SYSVMSG #SYSV-style messages.
options MSGMNB=16384
options MSGMNI=256
options MSGSEG=8196
options MSGSSZ=16
options MSGTQL=256
read www.freebsd.org and LINT for more info
--
Error Code=-1 Continue?
Yes | No
--
> Here are some outputes:
> uname -a: FreeBSD 4.8-STABLE
> ipcs :
> farhad@tehran [/home/pars/perl]
> $ ipcs
> Message Queues:
> T ID KEY MODE OWNER GROUP
>
> Shared Memory:
> T ID KEY MODE OWNER GROUP
> m 65536 5432001 --rw------- pgsql pgsql
>
> Semaphores:
> T ID KEY MODE OWNER GROUP
> s 131072 5432001 --rw------- pgsql pgsql
> s 131073 5432002 --rw------- pgsql pgsql
> s 131074 5432003 --rw------- pgsql pgsql
>
> Thanks.
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