Re: bad performances using hashjoin

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От David Brown
Тема Re: bad performances using hashjoin
Дата
Msg-id 4219EA17.8090906@bigpond.net.au
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Ответ на Re: bad performances using hashjoin  (Gaetano Mendola <mendola@bigfoot.com>)
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Gaetano Mendola wrote:

>I think is due the fact that first queries were performed in peakhours.
>
>
A memory intensive operation takes 7.5 times longer during heavy loads.
Doesn't this suggest that swapping of working memory is occurring?


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