execution time (avg/stddev): 10.5053/0.00

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随机读

SSD

Operationsperformed: 3898994 reads, 0 writes, 0Other = 3898994 Total

Read59.494Gb Written 0b Total transferred 59.494Gb (203.07Mb/sec)

12996.64Requests/sec executed

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Generalstatistics:

total time: 300.0001s

total number of events: 3898994

total time taken by event execution:294.7603s

response time:

min: 0.00ms

avg: 0.08ms

max: 30.09ms

approx. 95 percentile: 0.24ms

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Threadsfairness:

events (avg/stddev): 3898994.0000/0.00

execution time (avg/stddev): 294.7603/0.00

?

HDD

Operationsperformed: 131643 reads, 0 writes, 0Other = 131643 Total

Read2.0087Gb Written 0b Total transferred 2.0087Gb (6.8564Mb/sec)

438.81 Requests/sec executed

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Generalstatistics:

total time: 300.0014s

total number of events: 131643

total time taken by event execution:299.7703s

response time:

min: 0.00ms

avg: 2.28ms

max: 121.94ms

approx. 95 percentile: 5.34ms

?

Threadsfairness:

events (avg/stddev): 131643.0000/0.00

execution time (avg/stddev): 299.7703/0.00

结论：

SSD随机读写IO处理能力是HDD随机读写IO处理能力的20倍