From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
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To: | John Henderson <jrh(at)is(dot)com(dot)fj> |
Cc: | pgsql-general(at)hub(dot)org |
Subject: | Re: [GENERAL] memory |
Date: | 1999-11-30 00:37:27 |
Message-ID: | 199911300037.TAA18785@candle.pha.pa.us |
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Lists: | pgsql-general |
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> Thanks Philip and Bruce,
> Re shared mem, I have increased the BSDI kernel conf from 1024 to 2048
> shared mem pages. This allowed me to increase -B from 448 to 896 (not 884 my
> error). These are the high values I can reach without postgres failing to
> boot. This suggests my memory pages are around 3K - impossible but
> interesting.
Pages are 4k.
>
> I will try to increase sharedmem in the kernel after this msg. What does
> postgres use shared mem for? How can I determine how much shared mem is
> appropriate for the jobs I want to do?
BSDI has very small shared memory defaults.
--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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