ServerAgent
The important indicators we focus on during performance testing are: number of concurrent users, TPS, request success rate, response time, server CPU, memory, I/O disk, etc. Jmeter's aggregation report can view the number of concurrency, throughput, request success rate, response time, etc.; if you want to view the server-side CPU, memory, I/O disk, etc., you need to install the plug-in ServerAgent
Upload ServerAgent-2.2.1.jar to the server under test (root directory or any location), decompress, enter the directory, Windows environment, double-click startAgent.bat to start; mac, linux environment execute startAgent.sh to start, use port 4444 by default ( If there is no execution permission, you can first grant execution permission: chmod 777 startAgent.sh)
Note: The ServerAgent service port number is 4444 by default. If the port is occupied, you need to close the process that occupies the port, or change the default port of the ServerAgent service:
A: Close the process occupying port 4444, and start the ServerAgent service again, successfully.
B: Use the command to change the default port of the ServerAgent service: ./startAgent.sh -udp-port 0 -tcp-port xxxx (xxxx is the new port number)
Install the plugin for perfmon:
Add PerfMon Metrics Collector performance monitoring listener to display server performance data
Generally, these four indicators are monitored:
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Software testing interview applet
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Information acquisition method:
