Re: name search query speed
От | Jeremiah Jahn |
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Тема | Re: name search query speed |
Дата | |
Msg-id | 1109870617.16326.63.camel@bluejay.goodinassociates.com обсуждение исходный текст |
Ответ на | Re: name search query speed ("Ken Egervari" <ken@upfactor.com>) |
Ответы |
Re: name search query speed
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Список | pgsql-performance |
yes, it does. I forgot to mention, that I also have clustering on that table by my name_field index. My Bad. On Thu, 2005-03-03 at 12:00 -0500, Ken Egervari wrote: > I'm not sure what the answer is but maybe I can help? Would clustering the > name index make this faster? I thought that would bunch up the pages so the > names were more or less in order, which would improve search time. Just a > guess though. > > Ken > > ----- Original Message ----- > From: "Jeremiah Jahn" <jeremiah@cs.earlham.edu> > To: "postgres performance" <pgsql-performance@postgresql.org> > Sent: Thursday, March 03, 2005 11:38 AM > Subject: [PERFORM] name search query speed > > > >I have about 5M names stored on my DB. Currently the searches are very > > quick unless, they are on a very common last name ie. SMITH. The Index > > is always used, but I still hit 10-20 seconds on a SMITH or Jones > > search, and I average about 6 searches a second and max out at about > > 30/s. Any suggestions on how I could arrange things to make this search > > quicker? I have 4gb of mem on a raid 5 w/ 3 drives. I'm hoping that I > > can increase this speed w/o a HW upgrade. > > > > thanx, > > -jj- > > > > > > > > -- > > You probably wouldn't worry about what people think of you if you could > > know how seldom they do. > > -- Olin Miller. > > > > > > ---------------------------(end of broadcast)--------------------------- > > TIP 6: Have you searched our list archives? > > > > http://archives.postgresql.org > > > > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Don't 'kill -9' the postmaster -- You probably wouldn't worry about what people think of you if you could know how seldom they do. -- Olin Miller.
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