Hi Josh,
Can you tell me in what way it affects performance? And How do I decide what value to set for the random_page_cost? Does it depend on any  other factors?

Josh Berkus <[EMAIL PROTECTED]> wrote:

> I am sorry, I am not aware of what random_page_cost is, as I am new to
> Postgres. What does it signify and how do I reduce random_page_cost?

It's a parameter in your postgresql.conf file. After you test it, you will
want to change it there and reload the server (pg_ctl reload).

However, you can test it on an individual connection:
SET random_page_cost=2.5
(the default is 4.0)


Josh Berkus
Aglio Database Solutions
San Francisco

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