Re: Less rows -> better performance?

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От Guillaume Smet
Тема Re: Less rows -> better performance?
Дата
Msg-id 1d4e0c10807210432v45c6272awb1ea13974747de54@mail.gmail.com
обсуждение исходный текст
Ответ на Re: Less rows -> better performance?  (Andreas Hartmann <andreas@apache.org>)
Ответы Re: Less rows -> better performance?  (Craig Ringer <craig@postnewspapers.com.au>)
Re: Less rows -> better performance?  (Andreas Hartmann <andreas@apache.org>)
Список pgsql-performance
On Mon, Jul 21, 2008 at 1:25 PM, Andreas Hartmann <andreas@apache.org> wrote:
> SELECT pg_database.datname,
> pg_size_pretty(pg_database_size(pg_database.datname)) AS size
> FROM pg_database where pg_database.datname = 'vvz_live_1';
>
>    datname    |  size
> ---------------+---------
>  vvz_live_1    | 2565 MB
>
> I wonder why the actual size is so much bigger than the data-only dump - is
> this because of index data etc.?

More probably because the database is totally bloated. Do you run
VACUUM regularly or did you set up autovacuum?

--
Guillaume

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