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Nagios vs StatsD: What are the differences?
What is Nagios? Complete monitoring and alerting for servers, switches, applications, and services. Nagios is a host/service/network monitoring program written in C and released under the GNU General Public License.
What is StatsD? Simple daemon for easy stats aggregation. StatsD is a front-end proxy for the Graphite/Carbon metrics server, originally written by Etsy's Erik Kastner. StatsD is a network daemon that runs on the Node.js platform and listens for statistics, like counters and timers, sent over UDP and sends aggregates to one or more pluggable backend services (e.g., Graphite).
Nagios and StatsD belong to "Monitoring Tools" category of the tech stack.
Some of the features offered by Nagios are:
- Monitor your entire IT infrastructure
- Spot problems before they occur
- Know immediately when problems arise
On the other hand, StatsD provides the following key features:
- buckets: Each stat is in its own "bucket". They are not predefined anywhere. Buckets can be named anything that will translate to Graphite (periods make folders, etc)
- values: Each stat will have a value. How it is interpreted depends on modifiers. In general values should be integer.
- flush: After the flush interval timeout (defined by config.flushInterval, default 10 seconds), stats are aggregated and sent to an upstream backend service.
"It just works" is the primary reason why developers consider Nagios over the competitors, whereas "Single responsibility" was stated as the key factor in picking StatsD.
Nagios and StatsD are both open source tools. StatsD with 14.2K GitHub stars and 1.83K forks on GitHub appears to be more popular than Nagios with 60 GitHub stars and 36 GitHub forks.
According to the StackShare community, Nagios has a broader approval, being mentioned in 177 company stacks & 40 developers stacks; compared to StatsD, which is listed in 72 company stacks and 16 developer stacks.
- free open source
- modern interface and architecture
- large community
- extendable I knew Nagios for decades but it was really outdated (by its architecture) at some point. That's why Icinga started first as a fork, not with Icinga2 it is completely built from scratch but backward-compatible with Nagios plugins. Now it has reached a state with which I am confident.
Pros of Nagios
- It just works53
- The standard28
- Customizable12
- The Most flexible monitoring system8
- Huge stack of free checks/plugins to choose from1
Pros of StatsD
- Open source9
- Single responsibility7
- Efficient wire format5
- Loads of integrations3
- Handles aggregation3
- Many implementations1
- Scales well1
- Simple to use1
- NodeJS1
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Cons of Nagios
Cons of StatsD
- No authentication; cannot be used over Internet1
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What is Nagios?
What is StatsD?
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