Hello Andrew, Markus, and Tom - thanks for all the help! You've just helped a
large Simpy community! :) I'll try to post some performance charts to
http://blog.simpy.com/ shortly. In short, this immediately dropped the load
from 2-3-4-5-6-7+ to circa 0.25.
Thanks!
Otis
- Original Message
On Thu, May 11, 2006 at 10:09:44AM -0700, [EMAIL PROTECTED] wrote:
> Hi Markus & Tom,
>
> Higher statistics for this column hm, I'd love to try changing
> it to see how that changes things, but I'm afraid I don't know how
> to do that. How can I change the statistics target value for this
> c
Hi Markus & Tom,
Higher statistics for this column hm, I'd love to try changing it to see
how that changes things, but I'm afraid I don't know how to do that. How can I
change the statistics target value for this column?
Ah, I think I found the place:
=> select * from pg_attribute where
[EMAIL PROTECTED] <[EMAIL PROTECTED]> schrieb:
> Hi Andreas and Markus,
>
> Bitmap indices sound like a good reason to go from 8.0 to 8.1. Is 8.2
> around the corner, by any chance?
IIRC in autumn/winter. If it is finish ;-)
>
> I searched PG docs to see if I need to do something special to c
Markus Schaber <[EMAIL PROTECTED]> writes:
> Did you try to set higher statistics targets for this columns?
Yeah, I was about to suggest the same after looking at the pg_stats
entry. It shows estimated num_distinct as 60825, ie only about 60k
distinct values in the column, which sounds kinda low
Hi, Otis,
[EMAIL PROTECTED] wrote:
> I'm not sure which numbers you are referring to when you said the estimate is
> off, but here are some numbers:
> The whole table has 6-7 M rows.
> That query matches about 2500 rows.
>
> If there are other things I can play with and help narrow this dow