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Nagios vs Riemann: 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 Riemann? A network monitoring system. Riemann aggregates events from your servers and applications with a powerful stream processing language. Send an email for every exception in your app. Track the latency distribution of your web app. See the top processes on any host, by memory and CPU.
Nagios and Riemann are primarily classified as "Monitoring" and "Network Monitoring" tools respectively.
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, Riemann provides the following key features:
- See your system at a glance with a Sinatra app
- Throttle or roll up multiple events into a single message
- Forward any event stream to Graphite
"It just works" is the top reason why over 49 developers like Nagios, while over 4 developers mention "Sophisticated stream processing DSL" as the leading cause for choosing Riemann.
Nagios and Riemann are both open source tools. Riemann with 3.77K GitHub stars and 510 forks on GitHub appears to be more popular than Nagios with 60 GitHub stars and 36 GitHub forks.
- 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- extendable I knew Nagios for decades but it was really outdated (by its architecture) at some point.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 Riemann
- Sophisticated stream processing DSL5
- Clojure-based stream processing4
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What is Nagios?
What is Riemann?
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