Re: [PERFORM] PostgreSQL caching

2004-05-26 Thread Robert Treat
On Tue, 2004-05-25 at 15:53, Vitaly Belman wrote: QUERY PLAN -- Limit (cost=2337.41..2337.43 rows=10 width=76) (actual time=7875.000..7875.000 rows=10 loops=1) - Sort (cost=2337.41..2337.94 rows=214 width=76) (actual time=7875.000..7875.000 rows=10 loops=1)

Re: [PERFORM] PostgreSQL caching

2004-05-26 Thread Vitaly Belman
Hello Marty, Nick and Robert, NB Depending on what version of PG you are running, IN might take a while NB to complete. If so try an EXISTS instead RT A question and two experiments... what version of postgresql is this? I am using the newer 7.5dev native Windows port. For this reason I don't

Re: [PERFORM] PostgreSQL caching

2004-05-26 Thread Josh Berkus
Vitaly, I am using the newer 7.5dev native Windows port. For this reason I don't think that IN will cause any trouble (I read that this issue was resolved in 7.4). Well, for performance, all bets are off for the dev Windows port. Last I checked, the Win32 team was still working on

Re: [PERFORM] [GENERAL] performance very slow

2004-05-26 Thread Bill Montgomery
Mario Soto wrote: Hi. i hava a postresql 7.4.2 in a production server. tha machine is a Pentium IV 2,6 GHZ AND 1 GB IN RAM with lINUX RH 9.0. Mario, Start with reading this: http://www.varlena.com/varlena/GeneralBits/Tidbits/perf.html Without knowing anything about the size of your database,

Re: [PERFORM] tuning for AIX 5L with large memory

2004-05-26 Thread Chris Browne
[EMAIL PROTECTED] (Neil Conway) writes: Christopher Browne wrote: One of our sysadmins did all the configuring OS stuff part; I don't recall offhand if there was a need to twiddle something in order to get it to have great gobs of shared memory. FWIW, the section on configuring kernel

Re: [PERFORM] tuning for AIX 5L with large memory

2004-05-26 Thread Chris Browne
[EMAIL PROTECTED] (Dan Harris) writes: Christopher Browne wrote: We have a couple of these at work; they're nice and fast, although the process of compiling things, well, makes me feel a little unclean. Thanks very much for your detailed reply, Christopher. Would you mind elaborating on the