| From: | "Chad R(dot) Larson" <chad(at)eldocomp(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Chris Ruprecht <chrup999(at)yahoo(dot)com> |
| Cc: | PostGreSQL Admin Group <pgsql-admin(at)postgresql(dot)org> |
| Subject: | Re: Increasing Shared Memory - on MacOS X |
| Date: | 2002-01-26 04:19:54 |
| Message-ID: | 4.2.2.20020125211627.00a69ba0@smtp.eldocomp.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-admin |
At 09:06 PM 1/24/02 -0500, Tom Lane wrote:
>Since OSX is basically BSD under the hood, I'd expect BSD-ish solutions to
>be the place to look. Our notes about BSD systems say that a kernel
>rebuild is the only way to alter SHMMAX on those kernels :-(
OS/X is FreeBSD, with a MACH kernel and Aqua as a window manager (pretty much).
I don't know enough about tuning the MACH kernel, but on a pure FreeBSD
system you can use "sysctl" to change the variable "kernel.ipc.shmmax" on
the fly to whatever you think makes sense.
-crl
--
Chad R. Larson (CRL22) chad(at)eldocomp(dot)com
Eldorado Computing, Inc. 602-604-3100
5353 North 16th Street, Suite 400
Phoenix, Arizona 85016-3228
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