Group: pgsql.admin


Subject: out of memory
From: tgl@sss.pgh.pa.us (Tom Lane)
Date: 9/11/2007 11:58:21 PM
"Tena Sakai" <tsakai@gallo.ucsf.edu> writes: >> canon=3D# select * from public.genotype; >> out of memory > The version is 8.2.4 and platform is redhat linux > on dell server. The table has 36 million rows. Try \set FETCH_COUNT 1000 regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend

Subject: out of memory
From: tgl@sss.pgh.pa.us (Tom Lane)
Date: 9/12/2007 10:20:48 AM
Tino Schwarze <postgresql@tisc.de> writes: > On Tue, Sep 11, 2007 at 09:15:56PM -0700, Tena Sakai wrote: >> But there's a problem, for which I hope you have >> more wisdom. The reason why I tried that query >> is because someone tried the same thing via odbc >> from pc quering postgres database and got the >> same error ("out of memory"). >> >> What can a pc user do? Anything? > Tell the user that he/she should use an appropiate WHERE clause. You > might also consider adding more swap to the machine. Then it will go > horribly slow, but it will work. Or turn the query into a cursor so you can FETCH a reasonable number of rows at a time. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster