Re: Query optimization help
От | Szymon Kosok |
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Тема | Re: Query optimization help |
Дата | |
Msg-id | CAOJGGcFnW9+shK3q7UZ24M51Japhny_zp+OsdqpkcRWFxS_kcQ@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Query optimization help (Ondrej Ivanič <ondrej.ivanic@gmail.com>) |
Ответы |
Re: Query optimization help
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Список | pgsql-performance |
2011/8/30 Ondrej Ivanič <ondrej.ivanic@gmail.com>: > Could you please re-post your explain using this web site: > http://explain.depesz.com/ and post links to Stackoverflow question? Here it is: http://explain.depesz.com/s/Iaa > - try to disable nested loop join (set enable_nestloop=off) Even worse performance (http://explain.depesz.com/s/mMi). My configuration:http://pastie.org/2453148 (copied and pasted only uncommented important variables). It's decent hardware. i7, 16 GB of RAM, 3x2 RAID 10 (7200rpm) for OS + data, RAID 1 (2 disks, 7200rpm) for WAL, RAID controller with BBU and 512 MB memory cache (cache is set to write only). PS. Sorry Ondrej, accidentally I've sent reply to you, not to list.
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