Re: sequence scan on PK
| От | Jeroen van Iddekinge |
|---|---|
| Тема | Re: sequence scan on PK |
| Дата | |
| Msg-id | 427E5130.7020702@lycos.com обсуждение исходный текст |
| Ответ на | Re: sequence scan on PK (John A Meinel <john@arbash-meinel.com>) |
| Ответы |
Re: sequence scan on PK
Re: sequence scan on PK Re: sequence scan on PK |
| Список | pgsql-performance |
> > You could tweak with several settings to get it to do an index scan > earlier, but these would probably break other queries. You don't need to > tune for 100 rows, morelike 100k or 100M. Thanks for respone. The index scan was a little bit faster for id=1 and faster for id=99. Which settings shoud I change for this? cpu_index_tuple_cost , cpu_operator_cost, cpu_tuple_cost? Jer.
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