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Re: Default shared memory SGML mention

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL-documentation <pgsql-docs(at)postgresql(dot)org>
Subject: Re: Default shared memory SGML mention
Date: 2001-05-08 20:23:22
Message-ID: 200105082023.f48KNMm28570@candle.pha.pa.us (view raw or flat)
Thread:
Lists: pgsql-docs
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > far as -N, buffers is always 2*N, right, so I figured it was in there
> > already.
> 
> No, it isn't, and buffers is NOT always 2*N.

Yes, but shared memory limits are based on buffers, not connections,
right?  The per-connection overhead is pretty small, no?

If it is buffers and connections, how much is connections and how much
buffers.  I know buffers is 8k.

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman(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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