Loadrunner监控Tomcat
LoadRunenr没有监控Tomcat的专用监控器，为了用lr达到监控tomcat的目的可以通过打开Tomcat自带的Status页面之后，利用lr的关联技术得到相关的数据，把数据输出到lr自定义的监控器中。
1、打开Tomcat的status页面，方法为编辑Tomcat的conf目录下的tomcat-users.xml文件，在文件中添加
<tomcat-users>
<role rolename="manager"/>
<user username="admin" password="pass" roles="manager"/>
</tomcat-users> 2、开发lr脚本
vuser_init()
{
//定义tomcat内存使用情况的监视器事务；
lr_start_transaction("monitortomcat");
//保存3个参数；
web_reg_save_param("JVMFreeMemory",
"LB=Free memory: ",
"RB= MB",
"Ord=1",
LAST);
web_reg_save_param("JVMTotalMemory",
"LB=Totalmemory: ",
"RB=MB",
"Ord=1",
LAST);
web_reg_save_param("JVMMaxMemory",
"LB=Max memory: ",
"RB= MB",
"Ord=1",
LAST);
//通过LR去访问tomcat监控页
web_set_user("admin","pass","192.168.1.173:1203");
web_url("status",
"URL=http://192.168.1.173:1203/manager/status",
"Resource=0",
"RecContentType=text/html",
"Referer=",
"Snapshot=t1.inf",
"Mode=HTTP",
LAST);
lr_end_transaction("monitor tomcat", LR_AUTO);
// Tomcat JVM metrics 使用lr_user_data_point（）添加数据到图表中去
lr_user_data_point("Tomcat JVM Free memory",atof(lr_eval_string("{JVMFreeMemory}")));
lr_user_data_point("Tomcat JVM Total memory",atof(lr_eval_string("{JVMTotalMemory}")));
lr_user_data_point("Tomcat JVM Max memory",atof(lr_eval_string("{JVMMaxMemory}")));
return 0;
}
详见：http://bbs.51testing.com/thread-142255-1-1.html
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