[PERFORM] Scaling with lazy index updates

2004-07-16 Thread Fred Moyer
Pg Performers, This might be a out of the ordinary question, or perhaps I have been out of the loop for a while but does PostgreSQL (or any other database) have support for lazy index updates. What I mean by lazy index updates is index updating which occur at a regular interval rather than per tr

Re: [PERFORM] hardware raid suggestions

2004-07-16 Thread Fred Moyer
> We're looking into getting an Adaptec 2200S or the Megaraid 320 2x > which have better processors, and hopefully better performance. We > feel that the use of the AIC7930 as the CPU on the ZCR just doesn't > cut it and a faster raid controller would work better. Does anyone out > there have any

Re: [PERFORM] Scaling further up

2004-03-02 Thread Fred Moyer
On Tue, 2004-03-02 at 17:42, William Yu wrote: > Anjan Dave wrote: > > We have a Quad-Intel XEON 2.0GHz (1MB cache), 12GB memory, running RH9, > > PG 7.4.0. There's an internal U320, 10K RPM RAID-10 setup on 4 drives. > > > > We are expecting a pretty high load, a few thousands of 'concurrent'

Re: [PERFORM] Has anyone run on the new G5 yet

2003-12-03 Thread Fred Moyer
> We are running into issues with IO saturation obviously. Since this > thing is only going to get bigger we are looking for some advice on > how to accommodate DB's of this size. > Second and more radical, has anyone run > postgreSQL on the new Apple G5 with an XRaid system? This seems like

Re: [PERFORM] Value of Quad vs. Dual Processor machine

2003-11-11 Thread Fred Moyer
One thing I learned after spending about a week comparing the Athlon (2 ghz, 333 mhz frontside bus) and Xeon (2.4 ghz, 266 mhz frontside bus) platforms was that on average the select queries I was benchmarking ran 30% faster on the Athlon (this was with data cached in memory so may not apply to the