Re: Postgres 9.0 has a bias against indexes

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 1/27/2011 10:51 AM, J Sisson wrote:
Also, if random_page_cost is set to default (4.0), the planner will
tend towards sequential scans.
scott=> show random_page_cost;
 random_page_cost
------------------
 1
(1 row)

scott=> show seq_page_cost;
 seq_page_cost
---------------
 2
(1 row)


--
Mladen Gogala
Sr. Oracle DBA
1500 Broadway
New York, NY 10036
(212) 329-5251
www.vmsinfo.com


--
Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance


[Postgresql General]     [Postgresql PHP]     [PHP Users]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Yosemite]

  Powered by Linux