Re: postgresql performance

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От Steinar H. Gunderson
Тема Re: postgresql performance
Дата
Msg-id 20080305103945.GA3673@uio.no
обсуждение исходный текст
Ответ на postgresql performance  (SPMLINGAM <spmlingam@gmail.com>)
Ответы Re: postgresql performance  (Franck Routier <franck.routier@axege.com>)
Re: postgresql performance  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
Список pgsql-performance
On Wed, Mar 05, 2008 at 02:27:08AM -0800, SPMLINGAM wrote:
>      I have a table with 50 lakhs records, the table has more then 10
> fields, i have primary key, i have select query with count(*) without any
> condition, it takes 17 seconds.

Without knowing what a "lakhs" record is, it's pretty obvious that you
haven't vacuumed in a very long time. Run VACUUM FULL on your tables, then
instate regular (non-FULL) VACUUMs or enable autovacuum.

/* Steinar */
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