| From: | Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au> |
|---|---|
| To: | Christopher Browne <cbbrowne(at)acm(dot)org> |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: go for a script! / ex: PostgreSQL vs. MySQL |
| Date: | 2003-10-14 01:43:29 |
| Message-ID: | 3F8B54C1.5090206@familyhealth.com.au |
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| Thread: | |
| Lists: | pgsql-general pgsql-performance |
>
> Yes, indeed, sysctl can tweak these values fairly adequately.
>
> Now, numbers of semaphors are not as readily tweaked; I wound up
> limited, the other day, when I tried setting values for...
>
> kern.ipc.semmns
> kern.ipc.semmni
Same. Maybe that was the option I was thinking was read-only:
houston# sysctl kern.ipc.semmns
kern.ipc.semmns: 60
houston# sysctl -w kern.ipc.semmns=70
sysctl: oid 'kern.ipc.semmns' is read only
houston# sysctl kern.ipc.semmni
kern.ipc.semmni: 10
houston# sysctl -w kern.ipc.semmni=30
sysctl: oid 'kern.ipc.semmni' is read only
I like how they use oids :P
Chris
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