创建测试使用的pool
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| $ ceph osd pool create testbench 32 32
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写测试
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| $ rados bench -p testbench 10 write --no-cleanup
hints = 1
Maintaining 16 concurrent writes of 4194304 bytes to objects of size 4194304 for up to 10 seconds or 0 objects
Object prefix: benchmark_data_work_17785
sec Cur ops started finished avg MB/s cur MB/s last lat(s) avg lat(s)
0 0 0 0 0 0 - 0
1 16 18 2 7.99976 8 0.743612 0.641529
2 16 30 14 27.9973 48 1.85864 1.29122
3 16 42 26 34.663 48 1.28555 1.39395
4 16 55 39 38.9956 52 1.32261 1.43965
5 16 58 42 33.5958 12 1.53666 1.44482
6 16 68 52 34.662 40 2.08014 1.50223
7 16 84 68 38.8516 64 0.823587 1.5045
8 16 96 80 39.9944 48 0.899492 1.44845
9 16 114 98 43.5496 72 0.633734 1.40136
10 16 123 107 42.7941 36 0.856593 1.3861
Total time run: 10.6523
Total writes made: 124
Write size: 4194304
Object size: 4194304
Bandwidth (MB/sec): 46.5625
Stddev Bandwidth: 20.2254
Max bandwidth (MB/sec): 72
Min bandwidth (MB/sec): 8
Average IOPS: 11
Stddev IOPS: 5.05635
Max IOPS: 18
Min IOPS: 2
Average Latency(s): 1.3707
Stddev Latency(s): 0.472979
Max latency(s): 2.64427
Min latency(s): 0.539447
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顺序读测试
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| $ rados bench -p testbench 10 seq
hints = 1
sec Cur ops started finished avg MB/s cur MB/s last lat(s) avg lat(s)
0 0 0 0 0 0 - 0
1 16 42 26 103.976 104 0.588145 0.431675
2 16 69 53 105.983 108 0.593612 0.500811
3 16 98 82 109.319 116 0.555486 0.529656
4 15 124 109 108.986 108 0.408214 0.531251
Total time run: 4.45077
Total reads made: 124
Read size: 4194304
Object size: 4194304
Bandwidth (MB/sec): 111.441
Average IOPS: 27
Stddev IOPS: 1.25831
Max IOPS: 29
Min IOPS: 26
Average Latency(s): 0.567093
Max latency(s): 1.16315
Min latency(s): 0.062019
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随机读测试
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| $ rados bench -p testbench 10 rand
hints = 1
sec Cur ops started finished avg MB/s cur MB/s last lat(s) avg lat(s)
0 0 0 0 0 0 - 0
1 16 43 27 107.978 108 0.548233 0.400351
2 16 70 54 107.985 108 0.507102 0.467039
3 16 99 83 110.653 116 0.66861 0.518288
4 16 128 112 111.987 116 0.821184 0.518217
5 16 155 139 111.187 108 0.71247 0.532804
6 16 183 167 111.32 112 0.698042 0.541571
7 16 211 195 111.416 112 0.137 0.545219
8 16 239 223 111.488 112 0.797219 0.549091
9 16 267 251 111.543 112 0.249707 0.547871
10 16 296 280 111.988 116 0.577749 0.555318
Total time run: 10.5902
Total reads made: 297
Read size: 4194304
Object size: 4194304
Bandwidth (MB/sec): 112.179
Average IOPS: 28
Stddev IOPS: 0.816497
Max IOPS: 29
Min IOPS: 27
Average Latency(s): 0.565831
Max latency(s): 1.20987
Min latency(s): 0.0559923
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清除测试数据
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| $ rados -p testbench cleanup
Removed 124 objects
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References:
[1]CHAPTER 9. BENCHMARKING PERFORMANCE