I'm sorry I have mixed up some information. The actual ratio I have now is 0,0005% (*100MB for 20TB data*).
Regards, Webert Lima DevOps Engineer at MAV Tecnologia *Belo Horizonte - Brasil* *IRC NICK - WebertRLZ* On Wed, May 9, 2018 at 11:32 AM, Webert de Souza Lima <webert.b...@gmail.com > wrote: > Hello, > > Currently, I run Jewel + Filestore for cephfs, with SSD-only pools used > for cephfs-metadata, and HDD-only pools for cephfs-data. The current > metadata/data ratio is something like 0,25% (50GB metadata for 20TB data). > > Regarding bluestore architecture, assuming I have: > > - SSDs for WAL+DB > - Spinning Disks for bluestore data. > > would you recommend still store metadata in SSD-Only OSD nodes? > If not, is it recommended to *dedicate* some OSDs (Spindle+SSD for > WAL/DB) for cephfs-metadata? > > If I just have 2 pools (metadata and data) all sharing the same OSDs in > the cluster, would it be enough for heavy-write cases? > > Assuming min_size=2, size=3. > > Thanks for your thoughts. > > Regards, > > Webert Lima > DevOps Engineer at MAV Tecnologia > *Belo Horizonte - Brasil* > *IRC NICK - WebertRLZ* >
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