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From: Tom Lane <[email protected]>
To: Bruce Momjian <[email protected]>
Cc: Alvaro Herrera <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: dx k9 <[email protected]>
Subject: Re: [ADMIN] shared_buffers and shmmax
Date: Tue, 16 Dec 2008 18:38:17 -0500
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

Bruce Momjian <[email protected]> writes:
> OK, updated patch.  I added item descriptions and removed Alvaro's
> paragraph;  I worked with Alvaro on this patch.

This still seems pretty misleading, as for example
  
>        <tbody>
>         <row>
>          <entry><xref linkend="guc-max-connections"></>
> !        <entry>1800 + 270 * <xref
> !        linkend="guc-max-locks-per-transaction"> bytes per connection</entry>
>         </row>

sounds like it might mean bytes per *active* connection, when of course
the correct way to figure it is by multiplying by max_connections.
If you're going to give a formula, why not just give a formula, eg

	(1800 + 270 * max_locks_per_transaction) * (max_connections + autovacuum_max_workers)

			regards, tom lane

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