Re: performance issue with a specific query

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От Merlin Moncure
Тема Re: performance issue with a specific query
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Msg-id b42b73150607270752x7137dbbeu419589b89f22c24d@mail.gmail.com
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Ответ на performance issue with a specific query  (Eliott <eliott100@gmail.com>)
Ответы Re: performance issue with a specific query
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On 7/27/06, Eliott <eliott100@gmail.com> wrote:
> Hi!
>
> I hope I'm sending my question to the right list, please don't flame if it's
> the wrong one.
>
> I have noticed that while a query runs in about 1.5seconds on a 8.xx version
> postgresql server on our 7.4.13 it takes around 15-20 minutes. Since we are
> using RHEL4 on our server we are stuck with 7.4.13. The enormous time
> difference between the different builds drives me crazy. Can you please help
> me identifying the bottleneck or suggest anything to improve the dismal
> performance.
> The query is the following:
>

try turning off genetic query optimization.  regarding the rhel4
issue...does rhel not come with a c compiler? :)

merlin

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