Metric stack

Let's discuss a potential metrics stack to make tasks related to monitoring much easier. This metrics stack uses only open source community tools. Hence, there should be no concern over licensing for their use:

Figure 7.26: Metric stack built with all open source community tools

Even though there are more components, this is a reliable metric stack that can be used across all applications, irrespective of type.

Telegraf

Telegraf is a plugin-driven server in the Go language that acts as a collector and publisher of metrics to different types of metrics databases based on the format they accept. It offers the minimum utilization of memory and other resources. As it's a plugin-driven system, it is very...