guys:
There's a ceph cluster working and nodes were connected with 10Gb cable. We defined fio's bs=4k and the object size of rbd is 4MB.
Client node was connect with the cluster via 1000Mb cable. Finally the IOPS is 27 ,when we control the latency of fio under 20ms. 4MB*27=108MB nearly 1000Mb,so is it reasonable?
lixuehui at chinacloud.com.cn
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