Gregory and Paul, Thank you for sharing the information.
Jin. On Mon, Oct 1, 2018 at 4:08 PM Paul Emmerich <paul.emmer...@croit.io> wrote: > You are probably thinking of Amazon's S3 where adding a random prefix > to object names was a common performance optimization in the past, but > I think they fixed that recently. > > Anyways, common prefixes are very common in Ceph and no problem. For > example, all objects within an rbd imge have the same prefix. > > Paul > Am Do., 27. Sep. 2018 um 21:09 Uhr schrieb Jin Mao <j...@tower-research.com > >: > > > > I am running luminous and the objects were copied from Isilon with a > long and similar prefix in path like /dir1/dir2/dir3/yyyy/mm/dd. The > objects are copied to various buckets like > bucket_YYYYMMDD/dir1/dir2/dir3/yyyy/mm/dd. This setup minimize some > internal code change when moving from NFS to object store. > > > > I heard that CRUSH may NOT evenly balance OSDs if there are many common > leading characters in the object name? However, I couldn't find any > evidence to support this. > > > > Does anyone know further details about this? > > > > Thank you. > > > > Jin. > > _______________________________________________ > > ceph-users mailing list > > ceph-users@lists.ceph.com > > 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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