scan_extents should not saturate links much because it doesn't read entire objects but only performs rados' stat() call on them which returns several bytes of data. You can learn about the scan progress by monitoring pool stats via 'rados df' or daemon metrics.
> On 5.11.2018, at 20:02, Rhian Resnick <[email protected]> wrote: > > What type of bandwidth did you see during the recovery process? We are seeing > around 2 Mbps on each box running 20 processes each. > > On Mon, Nov 5, 2018 at 11:31 AM Sergey Malinin <[email protected] > <mailto:[email protected]>> wrote: > Although I was advised not to use caching during recovery, I didn't notice > any improvements after disabling it. > > > > On 5.11.2018, at 17:32, Rhian Resnick <[email protected] > > <mailto:[email protected]>> wrote: > > > > We are running cephfs-data-scan to rebuild metadata. Would changing the > > cache tier mode of our cephfs data partition improve performance? If so > > what should we switch to? > > > > Thanks > > > > Rhian > > > > > > _______________________________________________ > > ceph-users mailing list > > [email protected] <mailto:[email protected]> > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > <http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com> >
_______________________________________________ ceph-users mailing list [email protected] http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
