| From: | "Pavel Stehule" <pavel(dot)stehule(at)gmail(dot)com> |
|---|---|
| To: | "Gerhard Wiesinger" <lists(at)wiesinger(dot)com> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Information about Pages, row versions of tables, indices |
| Date: | 2008-12-25 10:50:09 |
| Message-ID: | 162867790812250250x3fa50d27n3b366da8f9f95a6e@mail.gmail.com |
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| Lists: | pgsql-general |
Hello
look on contrib module pg_stat_tuple
http://www.postgresql.org/docs/8.3/interactive/pgstattuple.html
regards
Pavel Stehule
2008/12/25 Gerhard Wiesinger <lists(at)wiesinger(dot)com>:
> Hello!
>
> Is there some information in meta tables available about the number of pages
> currently unused, row versions of tables and indices which are unused?
>
> I'm asking because I want to measure how efficient HOT is working and
> whether vacuum should be run or not saving diskspace (I know this is done
> automatically).
>
> Thanx.
>
> Ciao,
> Gerhard
>
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