On 05 Nov 2003 14:33:33 +0100 Marek Florianczyk <[EMAIL PROTECTED]> wrote:
> > During this test I was changing some parameters in postgres, and send > kill -HUP ( pg_ctl reload ). I still don't know what settings will be > best for me, except "shared buffers", and some kernel and shell > settings. > as far as I know, -HUP won't make things like shared buffer changes take. you need a full restart of PG. .. but your numbers are different... I guess it did take. huh. .. how much disk IO is going on during these tests? (vmstat 1) Any swapping (also shown in vmstat) Where any of these tables analyze'd? I see you used no indexes, so on each of your tables it must do a seq scan. Try adding an index to your test tables and rerun.. -- Jeff Trout <[EMAIL PROTECTED]> http://www.jefftrout.com/ http://www.stuarthamm.net/ ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html
