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To: "Command Prompt, Inc." <pgsql-general@commandprompt.com>
Cc: pgsql-general@postgresql.org, jlx@commandprompt.com
Subject: Re: MacOS X Shared Buffers (SHMMAX)? 
In-reply-to: <Pine.LNX.4.30.0205201919440.902-100000@commandprompt.com> 
References: <Pine.LNX.4.30.0205201919440.902-100000@commandprompt.com>
Comments: In-reply-to "Command Prompt, Inc." <pgsql-general@commandprompt.com>
	message dated "Mon, 20 May 2002 19:25:11 -0700"
Date: Mon, 20 May 2002 23:09:23 -0400
Message-ID: <17483.1021950563@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
X-Archive-Number: 200205/711
X-Sequence-Number: 24691

"Command Prompt, Inc." <pgsql-general@commandprompt.com> writes:
> Does anyone have any experience in increasing the amount of shared memory
> buffers available to Mac OS X/Darwin?

A little bit of googling turns up Apple bug reports stating that OSX
has a hardwired limit on shared memory --- so no, short of modifying
and recompiling the kernel, you're outta luck.

			regards, tom lane