[ofa-general] iSer and Direct IO

[Cameron Harr]

Joe Landman wrote:
>
> I think it might be coalescing the IOPs somehow (what do your 
> elevators look like, how deep are your queues).  Each drive can do 
> 100-300 IOPs best case.  30000 IOPs is 100-300 drives.  Or 
> caching/coalescing/elevators in action.
>
I'm actually using a single nand-flash device (Fusion IO's ioDrive) 
which can do up to 100K IOPs depending on the pattern and am using the 
default cfq elevator with all default values (queue depth 128). Not sure 
if you're looking for something more than that, but it's a pretty simple 
setup.
Cameron