Re: index scan cost

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От
Dennis Brakhane
Тема
Re: index scan cost
Дата
Msg-id
226a19190807171558m6450d110p5a9b05587861f90d@mail.gmail.com
Ответ на
index scan cost (Jeff Frost)
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index scan cost Jeff Frost <jeff@frostconsultingllc.com>
Re: index scan cost "Dennis Brakhane" <brakhane@googlemail.com>
Re: index scan cost Jeff Frost <jeff@frostconsultingllc.com>
Re: index scan cost Tom Lane <tgl@sss.pgh.pa.us>
Mailing list hacked by spammer? Craig James <craig_james@emolecules.com>
Re: Mailing list hacked by spammer? Steve Atkins <steve@blighty.com>
Re: Mailing list hacked by spammer? Alvaro Herrera <alvherre@commandprompt.com>
Re: index scan cost Jeff Frost <jeff@frostconsultingllc.com>
The "fast" server makes a much more accurate estimation of the number
of rows to expect (4 rows are returning, 1 was estimated). The "slow"
server estimates 1151 rows. Try running ANALYZE on the slow one
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