On Mon, Oct 8, 2012 at 3:50 PM, Claudio Freire <klaussfre...@gmail.com>wrote:
> On Mon, Oct 8, 2012 at 7:48 PM, Craig James <cja...@emolecules.com> wrote: > >> > # blockdev --getra /dev/sdb1 > >> > 256 > >> > >> > >> It's probably this. 256 is way too low to saturate your I/O system. > >> Pump it up. I've found 8192 works nice for a system I have, 32000 I > >> guess could work too. > > > > > > But again ... the two systems are identical. This can't explain it. > > Is the read-ahead the same in both systems? > Yes, as I said in the original reply (it got cut off from your reply): "Same on both servers." Craig
