Re: Sanity check requested
От
Joe Conway
Тема
Re: Sanity check requested
Дата
Msg-id
3F16D175.6000404@joeconway.com
Ответ на
Re: Sanity check requested (Nick Fankhauser)
Список
Дерево обсуждения
Sanity check requested "Nick Fankhauser" <nickf@ontko.com>
Re: Sanity check requested "Shridhar Daithankar" <shridhar_daithankar@persistent.co.in>
Re: Sanity check requested "Nick Fankhauser" <nickf@ontko.com>
Re: Sanity check requested Josh Berkus <josh@agliodbs.com>
Re: Sanity check requested "Nick Fankhauser" <nickf@ontko.com>
Re: Sanity check requested Joe Conway <mail@joeconway.com>
Re: Sanity check requested Vincent van Leeuwen <pgsql.spam@vinz.nl>
Re: Sanity check requested "Nick Fankhauser" <nickf@ontko.com>
Re: Sanity check requested Rod Taylor <rbt@rbt.ca>
Re: Sanity check requested Josh Berkus <josh@agliodbs.com>
Re: Sanity check requested "Shridhar Daithankar" <shridhar_daithankar@persistent.co.in>
Clearing rows periodically Martin Foster <martin@ethereal-realms.org>
Re: Clearing rows periodically Paul Thomas <paul@tmsl.demon.co.uk>
Re: Clearing rows periodically Andrew Sullivan <andrew@libertyrms.info>
Re: Clearing rows periodically Tom Lane <tgl@sss.pgh.pa.us>
Re: Sanity check requested Ang Chin Han <angch@bytecraft.com.my>
File systems (RE: Sanity check requested) "Nick Fankhauser" <nickf@ontko.com>
Re: File systems (RE: Sanity check requested) Tom Lane <tgl@sss.pgh.pa.us>
Re: Sanity check requested "scott.marlowe" <scott.marlowe@ihs.com>
Nick Fankhauser wrote: > Thanks for the correction- it sounds like this is one where usage > can't be precisely controlled in a dynamic user environment & I just > need to get a feel for what works under a load that approximates my > production system. > I think the most important point here is that if you set sort_mem too high, and you have a lot of simultaneous sorts, you can drive the server into swapping, which obviously is a very bad thing. You want it set as high as possible, but not so high given your usage patterns that you wind up swapping. Joe
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