Re: Server load statistics
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 -- Linkedin: http://www.linkedin.com/in/depesz / blog: http://www.depesz.com/ jid/gtalk: depesz@depesz.com / aim:depeszhdl / skype:depesz_hdl / gg:6749007
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