「Ceph」- 通过 rados load-gen 命令，测试块存储性能

  CREATED BY JENKINSBOT 
# rados load-gen -p benchmark-rados-bench --num-objects 20 \
    --min-object-size 1M --max-object-size 1M --max-ops 16 \
    --min-op-len 1M --max-op-len 1M --percent 5 --target-throughput 200 --run-length 20
run length 20 seconds
preparing 20 objects
load-gen will run 20 seconds
    1: throughput=0MB/sec pending data=0
READ : oid=obj-v8SX6eUco6k03LV off=0 len=1048576
op 0 completed, throughput=0.996MB/sec
    2: throughput=0.499MB/sec pending data=0
    3: throughput=0.333MB/sec pending data=0
...
   18: throughput=0.0555MB/sec pending data=0
   19: throughput=0.0526MB/sec pending data=0
waiting for all operations to complete
cleaning up objects