wget http://blog.s135.com/soft/linux/webbench/webbench-1.5.tar.gz
tar zxvf webbench-1.5.tar.gz
cd webbench-1.5/
sudo make && sudo make install
测试tomcat的restful webservice地址：
webbench -c 5000 -t 120 http://10.11.58.125:8080/air-restful/restful/abc/getAll
Webbench - Simple Web Benchmark 1.5
Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.
Benchmarking: GET http://10.11.58.125:8080/air-restful/restful/abc/getAll
5000 clients, running 120 sec.
Speed=291973 pages/min, 450119 bytes/sec.
Requests: 200567 susceed, 383379 failed.
测试nginx反向代理tomcat的restful webservice地址：
webbench -c 5000 -t 120 http://10.11.58.125:8182/restful/abc/getAll
Webbench - Simple Web Benchmark 1.5
Copyright (c) Radim Kolar 1997-2004, GPL Open Source Software.
Benchmarking: GET http://10.11.58.125:8182/restful/abc/getAll
5000 clients, running 120 sec.
Speed=256454 pages/min, 311582 bytes/sec.
Requests: 137033 susceed, 375876 failed.