I have done some quick tests with FUSE too: it seems to me that, both with the old and with the new kernel, FUSE is approx. five times slower than kernel driver for both reading files and getting stats. I don't know whether it is just me or if it is expected.
On Wed, Jun 17, 2015 at 2:56 AM, Francois Lafont <flafdiv...@free.fr> wrote: > Hi, > > On 16/06/2015 18:46, negillen negillen wrote: > > > Fixed! At least looks like fixed. > > That's cool for you. ;) > > > It seems that after migrating every node (both servers and clients) from > > kernel 3.10.80-1 to 4.0.4-1 the issue disappeared. > > Now I get decent speeds both for reading files and for getting stats from > > every node. > > It seems to me that an interesting test could be to let the old kernel in > your client nodes (ie 3.10.80-1), use ceph-fuse instead of the ceph kernel > module and test if you have decent speeds too. > > Bye. > > -- > François Lafont > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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