Collectd is a high-performance daemon that collects, transfers, and stores system performance statistics. Its modular architecture and low memory footprint make it ideal for embedded systems and large-scale deployments.
📑 Table of Contents
Key Features
- Modular Design: Over 100 plugins for various data sources
- Minimal Footprint: Written in C for efficiency
- Network Support: Collect and aggregate metrics across hosts
- RRD Integration: Native support for round-robin databases
- SNMP Support: Monitor network devices
Installation
Install collectd on Debian/Ubuntu:
sudo apt install collectd collectd-utils
sudo systemctl enable collectd
sudo systemctl start collectdUsage Examples
Configure CPU and memory monitoring:
# /etc/collectd/collectd.conf
LoadPlugin cpu
LoadPlugin memory
<Plugin cpu>
ReportByCpu true
ReportByState true
</Plugin>Benefits
Collectd excels at gathering metrics with minimal resource usage. Its plugin architecture covers nearly every metric source, while network capabilities enable centralized collection from distributed systems.
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