On Mon, Aug 22, 2016 at 3:17 PM, Nick Fisk <nick@xxxxxxxxxx> wrote: > Hope it's useful to someone > > https://gist.github.com/fiskn/6c135ab218d35e8b53ec0148fca47bf6 Make sure your kernel is 4.4 or later - there was a 2M readahead limit imposed by the memory management subsystem until 4.4. Thanks, Ilya _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com