On Tue, Jul 18, 2017 at 9:07 AM, sheng qiu <herbert1984106@xxxxxxxxx> wrote: > ceph version is v11.2, no special config changes, just some regular > configurations for filestore backend. > > Fio is using libaio, with direct=1, running 4KB block size. Don't use direct I/O unless you want to benchmark synchronous I/O: http://lists.ceph.com/pipermail/ceph-users-ceph.com/2017-July/019478.html -- Patrick Donnelly -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html