Bench your ceph cluster

ceph osd pool create scbench 128 128
ceph osd pool set scbench size 2
ceph osd pool set scbench min_size 2

Wait for pool to be created : ceph -s

Write bench

rados bench -p scbench 30 write --no-cleanup
Total time run:         31.1058
Total writes made:      1362
Write size:             4194304
Object size:            4194304
Bandwidth (MB/sec):     175.144
Stddev Bandwidth:       52.2186
Max bandwidth (MB/sec): 264
Min bandwidth (MB/sec): 64
Average IOPS:           43
Stddev IOPS:            13.0546
Max IOPS:               66
Min IOPS:               16
Average Latency(s):     0.363668
Stddev Latency(s):      0.637756
Max latency(s):         3.09566
Min latency(s):         0.00890222

Sequential Read bench

rados bench -t 32 -p scbench 30 seq
Total time run:       10.9908
Total reads made:     1362
Read size:            4194304
Object size:          4194304
Bandwidth (MB/sec):   495.686
Average IOPS:         123
Stddev IOPS:          40.8533
Max IOPS:             166
Min IOPS:             23
Average Latency(s):   0.254922
Max latency(s):       3.49567
Min latency(s):       0.0197077

Random read bench

Total time run:       30.399
Total reads made:     4396
Read size:            4194304
Object size:          4194304
Bandwidth (MB/sec):   578.439
Average IOPS:         144
Stddev IOPS:          17.1076
Max IOPS:             176
Min IOPS:             103
Average Latency(s):   0.220395
Max latency(s):       3.1157
Min latency(s):       0.0121758

Cluster of 3 OVH INFRA – 1 node.

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