On Mon, 2005-10-03 at 13:34 -0700, Josh Berkus wrote:
> Michael,
> > >Realistically, you can't do better than about 25MB/s on a
> > > single-threaded I/O on current Linux machines,
> >
> > What on earth gives you that idea? Did you drop a zero?
> Nope, LOTS of testing, at OSDL, GreenPlum and Sun.   For comparison, A 
> Big-Name Proprietary Database doesn't get much more than that either.

I find this claim very suspicious.  I get single-threaded reads in
excess of 1GB/sec with XFS and > 250MB/sec with ext3.  


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