Vivek Khera wrote:
> >>>>> "td" == tom dyson <tom@torchbox.com> writes:
>
> td> and software, given a smallish fixed budget (around $US 2000)? In
> td> particular, should we prioritise
>
> td> * Disk speed
> td> * Hardware RAID
> td> * Memory
> td> * Processor speed
> td> * Processor type
> td> * Multiple processors
>
> Like others have said, splurge on the disk speed. Personally I use
> hardware RAID 10, but I'm not on a tight budget. Any modern system
> will have enough CPU power. Next thing to maximize is RAM.
Alot of RAID system have sophisticated battery-backed cache, that helps
PostgreSQL a lot. The RAID controller centralizes all that cache,
rather than trying to get individual disk drives with that capability.
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 359-1001
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