Am Sun, 24 Sep 2017 19:43:05 +0300 schrieb Andrei Borzenkov <arvidjaar@xxxxxxxxx>: > 24.09.2017 16:53, Fuhrmann, Carsten пишет: > > Hello, > > > > 1) > > I used direct write (no page cache) but I didn't disable the Disk > > cache of the HDD/SSD itself. In all tests I wrote 1GB and looked > > for the runtime of that write process. > > So "latency" on your diagram means total time to write 1GiB file? That > is highly unusual meaning for "latency" which normally means time to > perform single IO. If so, you should better rename Y-axis to something > like "total run time". If you look closely it says "Laufzeit" which visually looks similar to "latency" but really means "run time". ;-) -- Regards, Kai Replies to list-only preferred. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
