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* Documentation issue: Default value of temp_buffers
@ 2020-04-20 13:11 PG Doc comments form <noreply@postgresql.org>
2020-04-20 17:47 ` Re: Documentation issue: Default value of temp_buffers Alvaro Herrera <alvherre@2ndquadrant.com>
0 siblings, 1 reply; 2+ messages in thread
From: PG Doc comments form @ 2020-04-20 13:11 UTC (permalink / raw)
To: pgsql-docs@lists.postgresql.org; +Cc: tuomo.salo@gmail.com
The following documentation comment has been logged on the website:
Page: https://www.postgresql.org/docs/11/runtime-config-resource.html
Description:
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?
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* Re: Documentation issue: Default value of temp_buffers
2020-04-20 13:11 Documentation issue: Default value of temp_buffers PG Doc comments form <noreply@postgresql.org>
@ 2020-04-20 17:47 ` Alvaro Herrera <alvherre@2ndquadrant.com>
0 siblings, 0 replies; 2+ messages in thread
From: Alvaro Herrera @ 2020-04-20 17:47 UTC (permalink / raw)
To: tuomo.salo@gmail.com; pgsql-docs@lists.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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