= JMeter =
Pure Java application designed to load test functional behavior and measure performance. I
 * https://jmeter.apache.org/
 * wget https://mirrors.up.pt/pub/apache//jmeter/binaries/apache-jmeter-5.3.tgz
 * cp  apache-jmeter-5.3.tgz ~/tmp/
 * cd  ~/tmp/
 * tar xvzf  apache-jmeter-5.3.tgz 
 * cd apache-jmeter-5.3/bin
 * ./jmeter 
 * sh /etc/rc.d/rc.httpd start
 * throughput, requests per second
 * add threads (users), thread group
  * 5 users, ramp up 0 sec, loop count 1000 (requests per user) (5000 samples)
   * thread group add sampler http request, server name localhostphp path /
   * thread group add listener, graph results
   * thread group add listener, summary report
   * run, clear all
   * start