On 04/23/2015 03:22 PM, J David wrote:
On Thu, Apr 23, 2015 at 3:05 PM, Nick Fisk <nick@xxxxxxxxxx> wrote:
I have had a look through the fio runs, could you also try and run a couple
of jobs with iodepth=64 instead of numjobs=64. I know they should do the
same thing, but the numbers with the former are easier to understand.
Maybe it's an issue of interpretation, but this doesn't actually seem to work:
testfile: (g=0): rw=randwrite, bs=128K-128K/128K-128K/128K-128K,
ioengine=sync, iodepth=64
If you want to adjust the iodepth, you'll need to use an asynchronous
ioengine like libaio (you also need to use direct=1)
Mark
Thanks!
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