Hi Yan, Thanks for your suggestion. No, I didn’t run fio on ceph-fuse. I mounted my Ceph FS in kernel mode. Regards, Haiyang > On Jun 27, 2018, at 9:45 PM, Yan, Zheng <ukernel@xxxxxxxxx> wrote: > > On Wed, Jun 27, 2018 at 8:04 PM Yu Haiyang <haiyangy@xxxxxxx> wrote: >> >> Hi All, >> >> Using fio with job number ranging from 1 to 128, the random write speed for 4KB block size has been consistently around 1MB/s to 2MB/s. >> Random read of the same block size can reach 60MB/s with 32 jobs. > > run fio on ceph-fuse? If I remember right, fio does 1 bytes write. > overhead of passing the 1 byte to ceph-fuse is too high. > >> >> Our ceph cluster consists of 4 OSDs all running on SSD connected through a switch with 9.06 Gbits/sec bandwidth. >> Any suggestion please? >> >> Warmest Regards, >> Haiyang >> _______________________________________________ >> ceph-users mailing list >> ceph-users@xxxxxxxxxxxxxx >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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