Thanks, I'll check it. I want to search also if there is any way to cache file metadata on client, to lower the MDS load. I suppose that files are cached but the client check with MDS if there are changes on files. On my server files are the most of time read-only so MDS data can be also cached for a while.
Greetings!! El 22 feb. 2018 3:59, "Patrick Donnelly" <[email protected]> escribió: > Hello Daniel, > > On Wed, Feb 21, 2018 at 10:26 AM, Daniel Carrasco <[email protected]> > wrote: > > Is possible to make a better distribution on the MDS load of both nodes?. > > We are aware of bugs with the balancer which are being worked on. You > can also manually create a partition if the workload can benefit: > > https://ceph.com/community/new-luminous-cephfs-subtree-pinning/ > > > Is posible to set all nodes as Active without problems? > > No. I recommend you read the docs carefully: > > http://docs.ceph.com/docs/master/cephfs/multimds/ > > > My last question is if someone can recomend me a good client > configuration > > like cache size, and maybe something to lower the metadata servers load. > > >> > >> ## > >> [mds] > >> mds_cache_size = 250000 > >> mds_cache_memory_limit = 792723456 > > You should only specify one of those. See also: > > http://docs.ceph.com/docs/master/cephfs/cache-size-limits/ > > -- > Patrick Donnelly >
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