Re: [HACKERS] postgres performance
Bruce Momjian <maillist@candle.pha.pa.us>
From: Bruce Momjian <maillist@candle.pha.pa.us>
To: sthomas@cise.ufl.edu (Shiby Thomas)
Cc: pgsql-hackers@postgreSQL.org
Date: 1998-01-15T18:23:07Z
Lists: pgsql-hackers
> > Hi, > > I have installed PostgreSQL6.2.1 from my own user account (I was just trying > to test out something first). It seems to be running too slow. For example, > the self join of a table with roughly 300K records takes 2-3 hours. There is > an index on the join attribute. > I am running it on a 8 processor (each is a 248 MHz SUNW,UltraSPARC-II) > machine with a total of 2.0 GB main memory. > But, since it is not parallelized, it may get the power of only one processor. You said a self-join. I think we have a performance problem there. Vadim? > > Does it make a difference in performance since I have installed it from my > user account, and not the root. Also, I compiled it using gcc on a > solaris 2.5 machine and the machine I ran it is a solaris 2.6 machine. I did > that since the solaris 2.6 machine is the fastest we have here and the > executable > compiled on 2.5 was running properly also. Can that have an impact on the > performance? > > Thanks > --shiby > > > -- Bruce Momjian maillist@candle.pha.pa.us