Update. So I rebuilt the osd with a separate DB partition on the ssd drive and i/o to disks is what I expected, about ~3x the client I/O. On Tue, Nov 20, 2018 at 11:30 AM Darius Kasparavičius <daznis@xxxxxxxxx> wrote: > > Hello, > > > I'm running some tests on pure SSD pool with mimic and bluestore. > Strange thing is that currently running fio into rbd images I'm > getting a huge difference client and disk I/O. For pure write > performance I'm seeing about ~20k iops on the client side and about > ~300k on the ssd side. I have used lvm and no db/wal partitions. > Should I try to create the osd with a separate db partition? > > I have run a hdd ceph cluster with bluestore and nvme db partitions > and there aren't such differences in io. > > Regards, > > Darius _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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