WEB网站压力测试 siege

Siege是一个压力测试和评测工具，设计用于WEB开发这评估应用在压力下的承受能力：可以根据配置对一个WEB站点进行多用户的并发访问，记录每个用户所有请求过程的相应时间，并在一定数量的并发访问下重复进行。

如：

Ben: $ siege -u shemp.whoohoo.com/Admin.jsp -d1 -r10 -c25
 ..Siege 2.65 2006/05/11 23:42:16
 ..Preparing 25 concurrent users for battle.
 The server is now under siege...done
 Transactions:                    250 hits
 Elapsed time:                  14.67 secs
 Data transferred:             448000 bytes
 Response time:                  0.43 secs
 Transaction rate:              17.04 trans/sec
 Throughput:                 30538.51 bytes/sec
 Concurrency:                    7.38
 Status code 200:                 250
 Successful transactions:         250
 Failed transactions:               0Ben: $ siege -u shemp.whoohoo.com/Admin.jsp -d1 -r10 -c25
 ..Siege 2.65 2006/05/11 23:42:16
 ..Preparing 25 concurrent users for battle.
 The server is now under siege...done
 Transactions:                    250 hits
 Elapsed time:                  14.67 secs
 Data transferred:             448000 bytes
 Response time:                  0.43 secs
 Transaction rate:              17.04 trans/sec
 Throughput:                 30538.51 bytes/sec
 Concurrency:                    7.38
 Status code 200:                 250
 Successful transactions:         250
 Failed transactions:               0