Re: wal buffers documentation -errata

From: Dave Cramer <pg(at)fastcrypt(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: wal buffers documentation -errata
Date: 2007-01-11 16:25:12
Message-ID: C10637A5-2065-498F-A7DC-AD11A3795DA7@fastcrypt.com
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Tom,

the point is that the documentation suggests that the default is 8

not 8MB, but 8, when in fact the defaults are now given in memory
units not pages

Dave
On 11-Jan-07, at 10:09 AM, Tom Lane wrote:

> Dave Cramer <pg(at)fastcrypt(dot)com> writes:
>> However I just loaded up an 8.2.1 and the default is 32m
>
> Then you changed it in postgresql.conf. I get
>
> $ psql
> Welcome to psql 8.2.1, the PostgreSQL interactive terminal.
>
> Type: \copyright for distribution terms
> \h for help with SQL commands
> \? for help with psql commands
> \g or terminate with semicolon to execute query
> \q to quit
>
> regression=# show wal_buffers ;
> wal_buffers
> -------------
> 64kB
> (1 row)
>
> regression=#
>
> regards, tom lane
>
> ---------------------------(end of
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> choose an index scan if your joining column's datatypes do not
> match
>

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