We had several metadata caching improvements in ceph-fuse recently which I think went in after Infernalis. That could explain it. -Greg
On Monday, June 6, 2016, Francois Lafont <flafdiv...@free.fr> wrote: > Hi, > > I have a little Ceph cluster in production with 5 cluster nodes and 2 > client nodes. The clients are using cephfs via fuse.ceph. Recently, I > have upgraded my cluster from Infernalis to Jewel (servers _and_ clients). > > When the cluster was in Infernalis version the fio command below gave > me approximatively 1100-1300 iops. > > fio --directory=/mnt/moodle/test/ --name=rwjob --readwrite=randrw \ > --rwmixread=50 --gtod_reduce=1 --bs=4k --size=100MB \ > --ioengine=sync --direct=0 --numjobs=4 --group_reporting > > I have tested the exactly same fio command after the migration where the > all nodes are in Jewel version and I have ~ 2500-3000 iops. > > I know that benchs can be very tricky so here is my question: is this > significant improvement due to the "Infernalis => Jewel" migration, or > is my test not relevant? > > Thanks in advance for your help. > > -- > François Lafont > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com <javascript:;> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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