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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Lists: | pgsql-hackers pgsql-patches |
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
> broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
> choose an index scan if your joining column's datatypes do not
> match
>
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