From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: tuomo.salo@gmail.com
To: pgsql-docs@lists.postgresql.org
Subject: Re: Documentation issue: Default value of temp_buffers
Date: Mon, 20 Apr 2020 13:47:03 -0400
Message-ID: <20200420174703.GA15940@alvherre.pgsql> (raw)
In-Reply-To: <158738828537.11604.8519749799549110932@wrigleys.postgresql.org>
Hello,
On 2020-Apr-20, PG Doc comments form wrote:
> https://www.postgresql.org/docs/11/runtime-config-resource.html says:
>
> ------snip------
> temp_buffers (integer):
> Sets the maximum number of temporary buffers used by each database session
> [...] The default is eight megabytes (8MB).
> ------snap------
>
> Are we setting the maximum number of buffers or the maximum total size of
> the buffers?
Yeah, it's ambiguous. If you give it without units, it's the number of
buffers; otherwise it's the size. The docs were updated in version 12
to include this phrase: "If this value is specified without units, it is
taken as blocks, that is BLCKSZ bytes, typically 8kB."
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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To: pgsql-docs@postgresql.org
Cc: alvherre@2ndquadrant.com, tuomo.salo@gmail.com, pgsql-docs@lists.postgresql.org
Subject: Re: Documentation issue: Default value of temp_buffers
In-Reply-To: <20200420174703.GA15940@alvherre.pgsql>
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