Re: [PERFORM] software vs hw hard on linux

2003-09-12 Thread aturner
My personal experience with RAID cards is that you have to spend money to get good performance. You need battery backed cache because RAID 5 only works well with write to cache turned on, and you need a good size cache too. If you don't have it, RAID 5 performance will suck big time. If you n

Re: [PERFORM] Upgrade Woes

2003-09-11 Thread aturner
In the performance case the machine was running RedHat AS 2.1. I have posted the database schema at (obtained from pg_dump -s): http://serverbeach.plexq.com/~aturner/schema.sql The time to run all the stats procedures dropped through the floor. refresh_hourly_iud, adl_hourly_iud

Re: [PERFORM] Upgrade Woes

2003-09-11 Thread aturner
Thanks for the URL, I went through postgresql.conf and made some modifications to the config based on information therein. I will have to wait and see how it affects things, as I won't know for a week or so. Select time has never been a problem, the DB has always been very fast, it's the inser

[PERFORM] Upgrade Woes

2003-09-10 Thread aturner
Hi, My name is Alex Turner and I work for a small Tech company in Pottstown PA. We run Postgresql on a number of systems for a variety of different applications, and it has been a joy to deal with all around, working fast and reliably for over 2 years. We recently upgraded from RedHat 7.2 to R