Concurrency Level: 10
Time taken for tests: 100.137 seconds
Complete requests: 733
Failed requests: 732
(Connect: 0, Receive: 0, Length: 732, Exceptions: 0)
Write errors: 0
Total transferred: 3672653 bytes
HTML transferred: 3572232 bytes
Requests per second: 7.32 [#/sec] (mean)
Time per request: 1366.124 [ms] (mean)
Time per request: 136.612 [ms] (mean, across all concurrent requests)
Transfer rate: 35.82 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 1 2 2.4 2 40
Processing: 342 1352 636.3 1183 6046
Waiting: 342 1351 636.2 1183 6046
Total: 345 1354 636.8 1186 6049
Percentage of the requests served within a certain time (ms)
50% 1185
66% 1333
75% 1460
80% 1564
90% 1835
95% 2357
98% 3248
99% 5205
100% 6049 (longest request)
【jmeter】
再用jemeter以同样的配置（Thread数 为10， ramp时间为1秒，超时阈值为3000ms）
运行结果如下：
Creating summariser <summary>
Created the tree successfully using music_api_uid.jmx
Starting the test @ Thu Nov 19 11:19:43 CST 2015 (1447903183454)
Waiting for possible shutdown message on port 4445
summary + 90 in 16s = 5.7/s Avg: 1677 Min: 959 Max: 3757 Err: 0 (0.00%) Active: 10 Started: 10 Finished: 0
summary + 202 in 31.1s = 6.5/s Avg: 1477 Min: 912 Max: 2727 Err: 0 (0.00%) Active: 10 Started: 10 Finished: 0
summary = 292 in 46s = 6.4/s Avg: 1539 Min: 912 Max: 3757 Err: 0 (0.00%)
summary + 164 in 31s = 5.3/s Avg: 1830 Min: 972 Max: 5009 Err: 5 (3.05%) Active: 10 Started: 10 Finished: 0
summary = 456 in 76s = 6.0/s Avg: 1643 Min: 912 Max: 5009 Err: 5 (1.10
最终通过GUI打开请求详细记录，生成聚合报告的结果为
samples: 576
average: 1713
median: 1496
90% Line: 2353
min: 912
max: 5009
throught: 5.8/sec
kb/sec: 27.8
error%: 2.08%
GET API压测结果对比
ab jmeter发送总请求数 733 576
平均请求时间(ms) 1366 1713
请求时间中位数（50%<)(ms) 1185 1496
请求时间90%< (ms) 1835 2353
error 2.08%
QPS 7.32 6
对比两次测试，ab完成了733次，而jmeter完成了576次而ab完成了733次，其实这个数据不算准确，因为jmeter不支持精确的测试时间的限制，所以我是按时强制终止了jemeter，所以有些请求可能就被漏掉了。不过我后来测试了同样总请求数时（ab用-n设置，jmeter则用 thread*loops来设置），jmeter也比ab慢戈15%，可能和jmeter自己要做很多统计有关系。