Re: Increasing Shared Memory - on MacOS X - Mailing list pgsql-admin

From Chad R. Larson
Subject Re: Increasing Shared Memory - on MacOS X
Date
Msg-id 4.2.2.20020125211627.00a69ba0@smtp.eldocomp.com
Whole thread Raw
In response to Re: Increasing Shared Memory - on MacOS X  (Tom Lane <tgl@sss.pgh.pa.us>)
List 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@eldocomp.com
   Eldorado Computing, Inc.   602-604-3100
      5353 North 16th Street, Suite 400
        Phoenix, Arizona   85016-3228


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