Re: Why should such a simple query over indexed columns be so slow?

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От Scott Marlowe
Тема Re: Why should such a simple query over indexed columns be so slow?
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Msg-id CAOR=d=2z1JjcK_97aLMNA-Q=3OFDD2yByg80fM5yuJkrcdTv-Q@mail.gmail.com
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Ответ на Re: Why should such a simple query over indexed columns be so slow?  (Scott Marlowe <scott.marlowe@gmail.com>)
Ответы Re: Why should such a simple query over indexed columns be so slow?  (Alessandro Gagliardi <alessandro@path.com>)
Список pgsql-performance
On Mon, Jan 30, 2012 at 3:19 PM, Scott Marlowe <scott.marlowe@gmail.com> wrote:
> On Mon, Jan 30, 2012 at 2:55 PM, Alessandro Gagliardi
> <alessandro@path.com> wrote:
>> I set random_page_cost to 2 (with enable_seqscan on) and get the same
>> performance I got with enable_seqscan off.
>> So far so good. Now I just need to figure out how to set it globally. :-/
>
> alter database set random_page_cost=2.0;

That should be:

alter database dbnamegoeshere set random_page_cost=2.0;



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