On Fri, Jul 01, 2005 at 10:25:55AM -0400, Benjamin LaHaise wrote: > On Fri, Jul 01, 2005 at 01:26:00PM +0530, Suparna Bhattacharya wrote: > > On one test system I see a degradation from around 17+ MB/s to 11MB/s > > for random O_DIRECT AIO (aio-stress -o3 testext3/rwfile5) from 2.6.11 > > to 2.6.12. It doesn't seem filesystem specific. Not good :( > > What sort of io subsystem does it have? Also, does changing the
aic7xxx. > elevator make any difference? I'm away for the long weekend, but will I tried switching to the noop elevator - the regression was still there. > help look into this next week. Do you see the regression as well, or is it just me ? Regards Suparna > > -ben -- Suparna Bhattacharya ([EMAIL PROTECTED]) Linux Technology Center IBM Software Lab, India - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/