Thanks for your info. I would like to know how large i/o that you mentioned, and what kind of app you used to do benchmarking?
Sincerely, Kinjo On Tue, Jun 16, 2015 at 12:04 AM, Barclay Jameson <[email protected]> wrote: > I am currently implementing Ceph into our HPC environment to handle > SAS temp workspace. > I am starting out with 3 OSD nodes with 1 MON/MDS node. > 16 4TB HDDs per OSD node with 4 120GB SSD. > Each node has 40Gb Mellanox interconnect between each other to a > Mellanox switch. > Each client node has 10Gb to switch. > > I have not done comparisons to Lustre but I have done comparisons to > PanFS which we currently use in production. > I have found that most workflows Ceph is comparibale to PanFS if not > better; however, PanFS still does better with small IO due to how it > caches small files. > If you want I can give you some hard numbers. > > almightybeeij > > On Fri, Jun 12, 2015 at 12:31 AM, Nigel Williams > <[email protected]> wrote: > > Wondering if anyone has done comparisons between CephFS and other > > parallel filesystems like Lustre typically used in HPC deployments > > either for scratch storage or persistent storage to support HPC > > workflows? > > > > thanks. > > _______________________________________________ > > 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 > -- Life w/ Linux <http://i-shinobu.hatenablog.com/>
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