How much data is being bypassed? On Fri, Apr 4, 2014 at 10:06 AM, Andrew Martin <amartin@xxxxxxxxxxx> wrote: > Sitsofe, > > ----- Original Message ----- >> From: "Sitsofe Wheeler" <sitsofe@xxxxxxxxx> >> To: "Andrew Martin" <amartin@xxxxxxxxxxx> >> Cc: linux-bcache@xxxxxxxxxxxxxxx >> Sent: Saturday, March 15, 2014 12:52:15 PM >> Subject: Re: Performance testing with bcache >> >> On Fri, Mar 14, 2014 at 04:16:27PM -0500, Andrew Martin wrote: >> > >> > Do you have an example fio job file that has worked well for testing >> > bcache? >> >> Try these as a starting point: >> benchmark-seq.fio: >> ; Script to gather general sequential write performance statistics >> ; Basic usage: >> ; BS="4k" DEV="sdf" RT=90 SEED=21 TYPE="ssd" fio benchmark-seq.fio > > I ran the example job files with the commands you posted, but the output > bandwidth seems extremely low: > http://pastebin.com/13RBYwwp > http://pastebin.com/bsp9KbDq > > fio job file: > http://pastebin.com/zfVJdjMQ > > Am I doing something wrong when running fio? > > Thanks, > > Andrew > -- > To unsubscribe from this list: send the line "unsubscribe linux-bcache" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
