> Merlin, > > > > just FYI: tyan makes a 8 socket motherboard (up to 16 cores!): > > > http://www.swt.com/vx50.html > > > > > > It can be loaded with up to 128 gb memory if all the sockets are > > > filled :). > > Another thought - I priced out a maxed out machine with 16 cores and > 128GB of RAM and 1.5TB of usable disk - $71,000. > > You could instead buy 8 machines that total 16 cores, 128GB RAM and 28TB > of disk for $48,000, and it would be 16 times faster in scan rate, which > is the most important factor for large databases. The size would be 16 > rack units instead of 5, and you'd have to add a GigE switch for $1500. It's hard to say what would be better. My gut says the 5u box would be a lot better at handling high cpu/high concurrency problems...like your typical business erp backend. This is pure speculation of course...I'll defer to the experts here. Merlin ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match