Monitoring Docker

Docker metrics

For each container, Zabbix discovers the following metrics that will be recorded:

• Container (your Containers name) is running
• CPU system time
• CPU user time
• Used cache memory
• Used RSS memory
• Used swap

Apart from "Used swap", these are the same metrics recorded by cAdvisor.

Create custom graphs

You can access a time-based graph for any of the metrics collected by Zabbix; you can also create your own custom graphs. In the following graph, I have created a graph that plots all the CPU System stats from the three web containers we launched earlier in the chapter:

As you can see, I performed a few tests using ApacheBench to make the graph a little ...