How to run JMeter and monitor server

Pre-configuration

JMeter

1. Download JDK and configure Java Environment Variables
2. Download JMeter zip file for windows.
3. Unzip JMeter in certain dir, for example, D:\apache-jmeter-3.1
4. Run JMeter

• Open cmd.exe > change direction to D:\apache-jmeter-3.1\bin > jmeter > Enter.
• Or open folder by GUI > D:\apache-jmeter-3.1\bin > Double click jmeter.bat.

JMeter Plug-ins

1. Download JMeter Plugins Manager.
2. Copy and paste it into D:\apache-jmeter-3.1\lib\ext.
3. Run Jmeter > Options > you will see Plugins Manager.
4. Install Throughput Sharing Timer

• Plugin Manager > Throughput Sharing Timer, PerfMon, jpgc-Standard Set > Apply changes and Restart JMeter.

5. Test Plan > Add > Threads(Users) > Ultimate Thread Group.
6. Right click Ultimate Thread Group > Add > Listener > PerfMon.
7. Click jp@gc - PerfMon Metrics Controller > Add Row
   | Host/IP | Port | Metrics to collect | Metrics parameter |
   | ---------- | ----- | ----------------------- | ------------------------ |
   | wechat-dev2.vod309.com | 39800(you defined in serverAgent) | CPU | combined |
   | wechat-dev2.vod309.com | 39800(you defined in serverAgent) | Memory | usedperc |
   | wechat-dev2.vod309.com | 39800(you defined in serverAgent) | Network/IO | iface=eth0:unit=mb:bytessent |
   | wechat-dev2.vod309.com | 39800(you defined in serverAgent) | Disks/IO | queue |

PerfMonServerAgent

1. Download PerfMonServerAgent, unzip and copy the folder to certain directory in your server.
2. Start agent: sudo sh ./startAgent.sh --udp-port 0 --tcp-port 39800

JMeter scripts

1. Right click "Test Plan" > Add > Threads(Users) > jp@gc - Ultimate Thread Group.
2. Right click "jp@gc - Ultimate Thread Group" > Add > Config Element > HTTP Header Manager.

• Name: Content-Type
• Value: application/json;charset=utf-8

3. If requests has the same request parameter, right click "jp@gc - Ultimate Thread Group" > Add > Config Element > HTTP Request Defaults.

• Server name or IP: wechat-dev2.vod309.com
• Port Number: 443
• Protocol: https(or http)
• Content encoding: utf-8

4. Right click "jp@gc - Ultimate Thread Group" > Add > Listener > View Result Tree.
5. Right click "jp@gc - Ultimate Thread Group" > Add > Listener > Aggregate Report.
6. Right click "jp@gc - Ultimate Thread Group" > Add > Listener > jp@gc - PerfMon Metrics Collector.
7. Right click "jp@gc - Ultimate Thread Group" > Add > Sampler > HTTP request. Make sure requests is after the HTTP Header Manager,HTTP Request Defaults.
8. Input full URL in browser and load the page, right click blank area to select "Inspect > NetWork > check Preserve log > XHR > select the request > Headers", collect information from the inspector.

• GET

  • Method: GET
  • Path: (your path such as '/wechat-crmapp-perf/api/account/professional/list')
  • Parameters: (Headers > General > Request URL), check "Encode?"

• POSTMethod: POST

  • Path: (your path such as '/wechat-crmapp-perf/api/account/professional/list')
  • Body Data: (Headers > General > Form Data > view source), copy and paste.
  • (Optional, this is for form post)New a HTTP Header Manager under post request, set Name:Content-Type and Value:application/x-www-form-urlencoded; charset=UTF-8.

9. Click jp@gc - Ultimate Thread Group to set group parameters

• Start Threads Count : total number of threads you want to run
• Initial Dely,sec :
• Startup time : time to start a thread
• Hold Load For,sec : total run time of script
• Shutdown Time : time to shutdown a thread

10. Login server, change directory to PerfMonServerAgent, execute sudo sh ./startAgent.sh --udp-port 0 --tcp-port 39800 to start serverAgent.
11. Click Run on the top menu or green play button to run your test plan.
12. Click View Result Tree > select a request > Response data, compare it with NetWork > XHR > Response to check if request is really responsed successfully.
13. Click Aggregate Report to monitor average, min, max and other statistics of thread group.
14. Click jp@gc - PerfMon Metrics Collector to monitor your server behaviour.