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壓力測試

D:\Users\zhiqiangzhou\Desktop\ab>ab -n 10000 -c 100 http://localhost:8281/tomcat /getTestStr This is ApacheBench, Version 2.0.40-dev <$Revision: 1.146 $> apache-2.0 Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Copyright 1997-2005 The Apache Software Foundation, http://www.apache.org/Benchmarking localhost (be patient) Completed 1000 requests Completed 2000 requests Completed 3000 requests Completed 4000 requests Completed 5000 requests Completed 6000 requests Completed 7000 requests Completed 8000 requests Completed 9000 requests Finished 10000 requestsServer Software: Server Hostname: localhost Server Port: 8281Document Path: /tomcat/getTestStr Document Length: 9 bytesConcurrency Level: 100 Time taken for tests: 6.117388 seconds Complete requests: 10000 Failed requests: 0 Write errors: 0 Total transferred: 1410000 bytes HTML transferred: 90000 bytes Requests per second: 1634.68 [#/sec] (mean) Time per request: 61.174 [ms] (mean) Time per request: 0.612 [ms] (mean, across all concurrent requests) Transfer rate: 224.93 [Kbytes/sec] receivedConnection Times (ms)min mean[+/-sd] median max Connect: 0 0 0.4 0 12 Processing: 49 59 36.2 51 446 Waiting: 49 58 30.0 50 346 Total: 49 59 36.2 51 446Percentage of the requests served within a certain time (ms)50% 5166% 5275% 5480% 5790% 6995% 9098% 17799% 301100% 446 (longest request)

結(jié)果分析

##-n 表示請求數(shù)，-c 表示并發(fā)數(shù). D:\Users\zhiqiangzhou\Desktop\ab>ab -n 10000 -c 100 http://localhost:8281/tomcat /getTestStr This is ApacheBench, Version 2.0.40-dev <$Revision: 1.146 $> apache-2.0 Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/ Copyright 1997-2005 The Apache Software Foundation, http://www.apache.org/Benchmarking localhost (be patient) Completed 1000 requests Completed 2000 requests Completed 3000 requests Completed 4000 requests Completed 5000 requests Completed 6000 requests Completed 7000 requests Completed 8000 requests Completed 9000 requests Finished 10000 requests##服務(wù)器軟件和版本 Server Software: ##請求的地址/域名 Server Hostname: localhost ##端口 Server Port: 8281##請求的路徑 Document Path: /tomcat/getTestStr ##頁面數(shù)據(jù)/返回的數(shù)據(jù)量 Document Length: 9 bytes##并發(fā)數(shù) Concurrency Level: 100 ##共使用了多少時間 Time taken for tests: 6.117388 seconds ##請求數(shù) Complete requests: 10000 ##失敗請求 Failed requests: 0 Write errors: 0 ##總共傳輸字節(jié)數(shù)，包含http的頭信息等 Total transferred: 1410000 bytes ##html字節(jié)數(shù)，實際的頁面?zhèn)鬟f字節(jié)數(shù) HTML transferred: 90000 bytes ##每秒多少請求，這個是非常重要的參數(shù)數(shù)值，服務(wù)器的吞吐量 Requests per second: 1634.68 [#/sec] (mean) ##用戶平均請求等待時間 Time per request: 61.174 [ms] (mean) ##服務(wù)器平均處理時間，也就是服務(wù)器吞吐量的倒數(shù) Time per request: 0.612 [ms] (mean, across all concurrent requests)##每秒獲取的數(shù)據(jù)長度 Transfer rate: 224.93 [Kbytes/sec] receivedConnection Times (ms)min mean[+/-sd] median max ##連接的最小時間，平均值，標(biāo)準(zhǔn)差，中值，最大值 Connect: 0 0 0.4 0 12 ##處理時間 Processing: 49 59 36.2 51 446 ##等待時間 Waiting: 49 58 30.0 50 346 ##合計時間 Total: 49 59 36.2 51 446Percentage of the requests served within a certain time (ms)## 50%的請求在51ms內(nèi)返回 50% 51## 66%的請求在52ms內(nèi)返回66% 5275% 5480% 5790% 6995% 9098% 17799% 301100% 446 (longest request)

總結(jié)

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