When it comes to monitoring performance, the amount of tools to choose from may be overwhelming. If you have high expectations, then it is possible that you will need to use a few of them at the same time.
Munin (http://munin-monitoring.org) is one of the popular choices used by many organizations regardless of the technology stack they use. It is a great tool for analyzing resource trends and provides a lot of useful information, even with a default installation without additional configuration. Its installation consists of the following two main components:
- The Munin master that collects metrics from other nodes and serves metrics graphs
- The Munin node that is installed on a monitored host, which ...