Re: [HACKERS] shared memory 651, freebsd 2.2.7

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Jason Venner <jason(at)idiom(dot)com>
Cc: pgsql-hackers(at)hub(dot)org
Subject: Re: [HACKERS] shared memory 651, freebsd 2.2.7
Date: 1999-09-29 23:48:14
Message-ID: 5538.938648894@sss.pgh.pa.us
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Jason Venner <jason(at)idiom(dot)com> writes:
> How much shared memory do you need?

What's probably getting you is the SEMMNS & SEMMNI limits --- we need a
semaphore per backend, and an identifier for every 16 semas.

I thought there was a discussion of kernel resource settings
somewhere in the documentation, but I'm not sure where offhand.

regards, tom lane

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