I think one limitation would be the 375GB since bluestore needs a larger amount of space than filestore did.
On Mon, Feb 4, 2019 at 10:20 AM Florian Engelmann < florian.engelm...@everyware.ch> wrote: > Hi, > > we have built a 6 Node NVMe only Ceph Cluster with 4x Intel DC P4510 8TB > each and one Intel DC P4800X 375GB Optane each. Up to 10x P4510 can be > installed in each node. > WAL and RocksDBs for all P4510 should be stored on the Optane (approx. > 30GB per RocksDB incl. WAL). > Internally, discussions arose whether the Optane would become a > bottleneck from a certain number of P4510 on. > For us, the lowest possible latency is very important. Therefore the > Optane NVMes were bought. In view of the good performance of the P4510, > the question arises whether the Optanes still have a noticeable effect > or whether they are actually just SPOFs? > > > All the best, > Florian > _______________________________________________ > ceph-users mailing list > email@example.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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