"fio --size=100m --ioengine=libaio --invalidate=1 --direct=1 --numjobs=10 --rw=read --name=fiojob --blocksize_range=4K-512k --iodepth=16"
Since size=100m so reads would be entirely cached and, if hypervisor is write-back, potentially many writes would never make it to the cluster as well?
Sorry if I've misunderstood :) _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
