Tom Lane wrote: > Stefan Kaltenbrunner <[EMAIL PROTECTED]> writes: >> Tom Lane wrote: >>> A more interesting question is what sort of hardware you need for that >>> actually to be a win, though. Loading a few tables in parallel sounds >>> like an ideal recipe for oversaturating your disk bandwidth... > >> you don't actually need that much of disk bandwidth both COPY and CREATE >> INDEX are CPU bottlenecked on modern boxes and reasonable disk >> subsystems - spreading their work over multiple cores/processes can give >> big benefits. > > Hmm ... I wonder if that's true for COPY BINARY ...
not sure on that - I was simply trying to say that even a simple parallel dump & restore capability could result in a serious improvement for people running large databases(especially considering that one can now buy 1U boxes with 8+ cores or 2U boxes that can hold 14disks+) ;-) Stefan ---------------------------(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