Re: []performance issues
| От | Yaroslav Dmitriev |
|---|---|
| Тема | Re: []performance issues |
| Дата | |
| Msg-id | 3D4A7197.8010603@warlock.ru обсуждение исходный текст |
| Ответ на | Re: []performance issues ("Christopher Kings-Lynne" <chriskl@familyhealth.com.au>) |
| Ответы |
Re: []performance issues
|
| Список | pgsql-hackers |
Christopher Kings-Lynne wrote: >Doing a row count requires a sequential scan in Postgres. > >Try creating another summary table that just has one row and one column and >is an integer. > > I have THREE summary tables derived from "stats" with different levels of aggregation. They work quite fast, But: 1) Summary tables grow too 2) There are requests which cannot be predicted, so they involve the "stats" table itself. So I am still interested in PostgreSQL's ability to deal with multimillon records tables. Best regards, Yar.
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