Re: Seq Scan vs. Index Scan
От
Kevin Grittner
Тема
Re: Seq Scan vs. Index Scan
Дата
Msg-id
4E3A6F6E020000250003FA53@gw.wicourts.gov
Ответ на
Seq Scan vs. Index Scan (Nassib Nassar)
Список
Дерево обсуждения
Seq Scan vs. Index Scan Nassib Nassar <nassar@renci.org>
Re: Seq Scan vs. Index Scan "Kevin Grittner" <Kevin.Grittner@wicourts.gov>
Nassib Nassar wrote: > In this example it looks to me like the planner is choosing a Seq > Scan resulting in 18x running time compared to running it with > enable_seqscan = 'off'. I would try these settings: random_page_cost = 2 cpu_tuple_cost = 0.02 Based on your estimated cost versus actual run times, there's a good chance they'll better model your environment, and serve you well in general. -Kevin
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