Nagios vs RRDtool: What are the differences?
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; RRDtool: High performance data logging and graphing system for time series data. RRDtool lets you log and analyze the data you gather from all kinds of data-sources (DS). The data analysis part of RRDtool is based on the ability to quickly generate graphical representations of the data values collected over a definable time period.
Nagios and RRDtool can be primarily classified as "Monitoring" tools.
"It just works" is the primary reason why developers consider Nagios over the competitors, whereas "Do one thing and do it well" was stated as the key factor in picking RRDtool.
Nagios and RRDtool are both open source tools. RRDtool with 571 GitHub stars and 199 forks on GitHub appears to be more popular than Nagios with 60 GitHub stars and 36 GitHub forks.
What is Nagios?
What is RRDtool?
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What are the cons of using Nagios?
What are the cons of using RRDtool?
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We use Nagios to monitor our stack and alert us when problems arise. Nagios allows us to monitor every aspect of each of our servers such as running processes, CPU usage, disk usage, and more. This means that as soon as problems arise, we can detect them and call out an engineer to resolve the issues as soon as possible.
We use Nagios to monitor customer instances of Bridge and proactively alert us about issues like queue sizes, downed services, errors in logs, etc.
We use nagios based OpsView to monitor our server farm and keep everything running smoothly.