Re: Using of GeQo

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От Bruce Momjian
Тема Re: Using of GeQo
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Msg-id 200404191836.i3JIaRP11518@candle.pha.pa.us
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Ответ на Using of GeQo  ("Froggy / Froggy Corp." <froggy@froggycorp.com>)
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Froggy / Froggy Corp. wrote:
> Hello (again),
>
>     I read some documentation about tuning postgresql.conf but i didn't
> find information clearly about how to use GeQo. It seems to help planner
> but using a lot of CPU, and is usefull only for big join.
>     Per default, geqo = true, but in which case, geqo is usefull and in
> which case, i will lost a lot of CPU ?
>     If someone have some documentation or help about that.

Have you read the GEQO section in the docs?

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