[ceph-users] CephFS kernel driver is 10-15x slower than FUSE driver

2017-04-08 Thread Kyle Drake
Pretty much says it all. 1GB test file copy to local: $ time cp /mnt/ceph-kernel-driver-test/test.img . real 2m50.063s user 0m0.000s sys 0m9.000s $ time cp /mnt/ceph-fuse-test/test.img . real 0m3.648s user 0m0.000s sys 0m1.872s Yikes. The kernel driver averages ~5MB and the fuse driver average

Re: [ceph-users] CephFS kernel driver is 10-15x slower than FUSE driver

2017-04-09 Thread Kyle Drake
On Sun, Apr 9, 2017 at 9:31 AM, John Spray wrote: > On Sun, Apr 9, 2017 at 12:48 AM, Kyle Drake wrote: > > Pretty much says it all. 1GB test file copy to local: > > > > $ time cp /mnt/ceph-kernel-driver-test/test.img . > > > > real 2m50.063s > > user 0m0.

Re: [ceph-users] CephFS kernel driver is 10-15x slower than FUSE driver

2017-04-09 Thread Kyle Drake
Sun, Apr 9, 2017 at 11:41 AM, Kyle Drake wrote: > On Sun, Apr 9, 2017 at 9:31 AM, John Spray wrote: > >> On Sun, Apr 9, 2017 at 12:48 AM, Kyle Drake wrote: >> > Pretty much says it all. 1GB test file copy to local: >> > >> > $ time cp /mnt/ceph-kerne