Unbuntu under the AB Test tool installation and use

Apache Benchmark (AB) apressure test software provided by a Pache

First we install the environment first

sudo apt-get install apache2-utils

Usage: ab [options][http[s]://]hostname[:p ort]/path//  -n  number of requests  -c  concurrency  url   Target pressure measurement address ab -n100 -c10 //  pressure test for Baidu this is apachebench, version 2.3  < $Revision: 1528965 $>copyright 1996 adam twiss, zeus  technology ltd, http://www.zeustech.net/licensed to the apache software  foundation, http://www.apache.org/benchmarking www.baidu.com  (be patient) ... doneServer  Software:        BWS/1.1         //  Server server hostname:         www.baidu.comserver port:             80document path:          /document length:         96792 bytesconcurrency level:      10time taken for tests:    30.740 secondscomplete requests:      100failed requests:         90    (Connect: 0, receive: 0,  length: 90, exceptions: 0) total transferred:       9777233 byteshtml transferred:       9677750 bytesrequests  per second:    3.25 [#/sec]  (mean)    //number of requests per second time  per request:       3074.004 [ms]  (mean)      //time as short as possible time per request:       307.400 [ms]   (mean, across all concurrent requests) transfer rate:           310.61 [kbytes/sec] receivedconnection times  (MS)                min  mean[+/-sd] median    maxconnect:       21   31   7.1      30      52processing:    82  468  3057.2    123   30717Waiting:        21   40  30.6     35      321total:        114  499 3056.3     157   30740Percentage of the requests served within a  certain time  (MS)   50%    157  66%     172  75%    185  80%    218  90%    341  95%     520  98%    629  99%  30740 100 %  30740  (Longest request)

Unbuntu under the AB Test tool installation and use