Re: Page Miss Hits

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От Gaetano Mendola
Тема Re: Page Miss Hits
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Msg-id 410E6F34.6040300@bigfoot.com
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Ответ на Re: Page Miss Hits  ("Scott Marlowe" <smarlowe@qwest.net>)
Список pgsql-performance
Scott Marlowe wrote:
> On Mon, 2004-08-02 at 02:11, Ioannis Theoharis wrote:
>
>>Hi, i would like to answer if there is any way in postgres to find the
>>page miss hits caused during a query execution.
>>
>>
>>Is there something like explain analyze with the page miss hits???
>
>
> You're making a basic assumption that is (at least currently) untrue,
> and that is that PostgreSQL has it's own cache.

Are you sure of this ? What is the meaning of the ARC recently introduced
then ?



Regards
Gaetano Mendola


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