Also, upgrade to luminous and migrate your OSDs to bluestore before using erasure coding. Luminous + Bluestore performs so much better for erasure coding than any of the old configurations.
Also, I've found that deleting a large number of objects is far less stressfull on a Bluestore OSD than on a Filestore OSD. Paul 2018-05-22 19:28 GMT+02:00 David Turner <[email protected]>: > From my experience, that would cause you some troubles as it would throw > the entire pool into the deletion queue to be processed as it cleans up the > disks and everything. I would suggest using a pool listing from `rados -p > .rgw.buckets ls` and iterate on that using some scripts around the `rados > -p .rgw.buckest rm <obj-name>` command that you could stop, restart at a > faster pace, slow down, etc. Once the objects in the pool are gone, you > can delete the empty pool without any problems. I like this option because > it makes it simple to stop it if you're impacting your VM traffic. > > > On Tue, May 22, 2018 at 11:05 AM Simon Ironside <[email protected]> > wrote: > >> Hi Everyone, >> >> I have an older cluster (Hammer 0.94.7) with a broken radosgw service >> that I'd just like to blow away before upgrading to Jewel after which >> I'll start again with EC pools. >> >> I don't need the data but I'm worried that deleting the .rgw.buckets >> pool will cause performance degradation for the production RBD pool used >> by VMs. .rgw.buckets is a replicated pool (size=3) with ~14TB data in >> 5.3M objects. A little over half the data in the whole cluster. >> >> Is deleting this pool simply using ceph osd pool delete likely to cause >> me a performance problem? If so, is there a way I can do it better? >> >> Thanks, >> Simon. >> _______________________________________________ >> ceph-users mailing list >> [email protected] >> 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 > > -- Paul Emmerich Looking for help with your Ceph cluster? Contact us at https://croit.io croit GmbH Freseniusstr. 31h 81247 München www.croit.io Tel: +49 89 1896585 90
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