Re: Query only slow on first run
От
Tom Lane
Тема
Re: Query only slow on first run
Дата
Msg-id
24967.1196288664@sss.pgh.pa.us
Ответ на
Re: Query only slow on first run (cluster)
Список
Дерево обсуждения
Query only slow on first run cluster <skrald@amossen.dk>
Re: Query only slow on first run Kevin Kempter <kevin@kevinkempterllc.com>
Re: Query only slow on first run Andrew Sullivan <ajs@crankycanuck.ca>
Re: Query only slow on first run Tom Lane <tgl@sss.pgh.pa.us>
Re: Query only slow on first run cluster <skrald@amossen.dk>
Re: Query only slow on first run "Dave Dutcher" <dave@tridecap.com>
Re: Query only slow on first run cluster <skrald@amossen.dk>
Re: Query only slow on first run "Dave Dutcher" <dave@tridecap.com>
Re: Query only slow on first run "Steinar H. Gunderson" <sgunderson@bigfoot.com>
Re: Query only slow on first run Tom Lane <tgl@sss.pgh.pa.us>
Re: Query only slow on first run "Steinar H. Gunderson" <sgunderson@bigfoot.com>
Re: Query only slow on first run tmp <skrald@amossen.dk>
Re: Query only slow on first run "Dave Dutcher" <dave@tridecap.com>
Re: Query only slow on first run Tom Lane <tgl@sss.pgh.pa.us>
Re: Query only slow on first run Craig James <craig_james@emolecules.com>
Re: Query only slow on first run cluster <skrald@amossen.dk>
Re: Query only slow on first run "Steinar H. Gunderson" <sgunderson@bigfoot.com>
Re: Query only slow on first run cluster <skrald@amossen.dk>
Re: Query only slow on first run Tom Lane <tgl@sss.pgh.pa.us>
Re: Query only slow on first run cluster <skrald@amossen.dk>
Re: Query only slow on first run Tom Lane <tgl@sss.pgh.pa.us>
Re: Query only slow on first run Jean-David Beyer <jeandavid8@verizon.net>
Re: Query only slow on first run "Scott Marlowe" <scott.marlowe@gmail.com>
Re: Query only slow on first run Bill Moran <wmoran@collaborativefusion.com>
cluster writes: > I could really use any kind of suggestion on how to improve the query in > order to make it scale better for large data sets The 6-7000 ms for a > clean run is really a showstopper. Need to get it below 70 ms somehow. Buy a faster disk? You're essentially asking for a random sample of data that is not currently in memory. You're not going to get that without some I/O. regards, tom lane
В списке pgsql-performance по дате отправления