Re: [ceph-users] about using SSD in cephfs, attached with some quantified benchmarks

2016-11-25 Thread John Spray
On Fri, Nov 25, 2016 at 8:16 AM, JiaJia Zhong wrote: > confusing questions: (ceph0.94) > > 1. Is there any way to cache the whole metadata datas into MDS's memory ? > (metadata osds dates-async> MDS memory) > > I dunno if I misunderstand the role of mds :(, so many post threads that >

[ceph-users] about using SSD in cephfs, attached with some quantified benchmarks

2016-11-25 Thread JiaJia Zhong
confusing questions: (ceph0.94) 1. Is there any way to cache the whole metadata datas into MDS's memory ? (metadata osds dates-async> MDS memory) I dunno if I misunderstand the role of mds :(, so many post threads that advising Using SSD osds for metadata. the metadata stores Inod