Обсуждение: Warning about max_fsm_pages: what's that?

Поиск
Список
Период
Сортировка

Warning about max_fsm_pages: what's that?

От
Reg Me Please
Дата:
Hi all.
During a routine "VACUUM ANALYZE" I've got this message in the logs:

WARNING:  relation "public.t_dati" contains more than "max_fsm_pages" pages
with useful free space
HINT:  Consider compacting this relation or increasing the configuration
parameter "max_fsm_pages".


The table in question contains some 14M+ rows.

Would it be possible to get some reference or suggestion in order to
understand better the provided hint?
This is the very first time I see this message.

Many thanks.

--
Reg me Please

Re: Warning about max_fsm_pages: what's that?

От
Karsten Hilbert
Дата:
On Fri, Nov 09, 2007 at 11:26:21AM +0100, Reg Me Please wrote:

> WARNING:  relation "public.t_dati" contains more than "max_fsm_pages" pages
> with useful free space
> HINT:  Consider compacting this relation or increasing the configuration
> parameter "max_fsm_pages".
>
> Would it be possible to get some reference or suggestion in order to
> understand better the provided hint?

It's right there in the fine manual:

http://www.postgresql.org/docs/8.2/interactive/runtime-config-resource.html#RUNTIME-CONFIG-RESOURCE-FSM

Google has it, too:

http://www.google.de/search?hl=de&ie=ISO-8859-1&q=postgresql+max_fsm_pages&btnG=Google-Suche&meta=
--
GPG key ID E4071346 @ wwwkeys.pgp.net
E167 67FD A291 2BEA 73BD  4537 78B9 A9F9 E407 1346

Re: Warning about max_fsm_pages: what's that?

От
Alvaro Herrera
Дата:
Reg Me Please wrote:
> Hi all.
> During a routine "VACUUM ANALYZE" I've got this message in the logs:
>
> WARNING:  relation "public.t_dati" contains more than "max_fsm_pages" pages
> with useful free space
> HINT:  Consider compacting this relation or increasing the configuration
> parameter "max_fsm_pages".
>
>
> The table in question contains some 14M+ rows.
>
> Would it be possible to get some reference or suggestion in order to
> understand better the provided hint?

See
http://www.postgresql.org/docs/8.2/static/runtime-config-resource.html

In order to answer these kind of questions yourself, consider
http://search.postgresql.org/?q=max_fsm_pages

--
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.