Re: Increasing Shared Memory - on MacOS X

From: "Zhang, Anna" <azhang(at)verisign(dot)com>
To: pgsql-admin(at)postgresql(dot)org
Subject: Re: Increasing Shared Memory - on MacOS X
Date: 2002-01-25 16:00:20
Message-ID: 5511D658682A7740BA295CCF1E1233A635A83C@vsvapostal2.bkup3
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see docs: http://www.postgresql.org/idocs/
under Administrator's Guide, section 3.5 Managing Kernel Resources.

Anna Zhang

-----Original Message-----
From: Tom Lane [mailto:tgl(at)sss(dot)pgh(dot)pa(dot)us]
Sent: Thursday, January 24, 2002 9:06 PM
To: Chris Ruprecht
Cc: PostGreSQL Admin Group
Subject: Re: [ADMIN] Increasing Shared Memory - on MacOS X

Chris Ruprecht <chrup999(at)yahoo(dot)com> writes:
> I can not ask my SA, I AM the SA ;-). And there are no recognizable
> files in or around the /etc directory, I can modify. MacOS X has the
> sysctl command, but there is no kern.shmmax parameter to read or set.
> This is a MacOS X SPECIFIC question, and solutions for other UNIXen
> don't quite apply.

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 :-(

regards, tom lane

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