Re: Why should such a simple query over indexed columns be so slow? - Mailing list pgsql-performance

From Alessandro Gagliardi
Subject Re: Why should such a simple query over indexed columns be so slow?
Date
Msg-id CAAB3BB+HOQmdTkL0gSYtFOWtP7q=Qtr10R6yHU+idFEpHi5kVA@mail.gmail.com
Whole thread Raw
In response to Re: Why should such a simple query over indexed columns be so slow?  (Scott Marlowe <scott.marlowe@gmail.com>)
List pgsql-performance
Got it (with a little bit of klutzing around). :) Thanks!

On Mon, Jan 30, 2012 at 2:24 PM, Scott Marlowe <scott.marlowe@gmail.com> wrote:
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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