Re: Server load statistics

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От hubert depesz lubaczewski
Тема Re: Server load statistics
Дата
Msg-id 20100725110117.GB28320@depesz.com
обсуждение исходный текст
Ответ на Server load statistics  (Torsten Bronger <bronger@physik.rwth-aachen.de>)
Список pgsql-general
On Sun, Jul 25, 2010 at 12:15:06PM +0200, Torsten Bronger wrote:
> Hallöchen!
>
> I need statistics about the PG server load.  At the moment, I use
> for this
>
> SELECT tup_returned + tup_fetched + tup_inserted + tup_updated +
>      tup_deleted FROM pg_stat_database WHERE datname='mydb';
>
> However, the figures are absurdly high (> 100.000 rows per second).
> If a "row" is one dataset (one user account, one blog entry, one
> comment etc), I expect two or three orders of magnitude less.  Is my
> SQL statement nevertheless a good way to measure how busy the server
> is?

did you rememebr to substract *previous* value of this select?

Best regards,

depesz

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