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collectd is a system information collection daemon designed to gather performance and operational metrics from computers, servers, and networked environments. It periodically collects data such as CPU usage, memory utilization, disk activity, network traffic, system load, hardware sensor readings, and application statistics. The platform supports a large plugin ecosystem, allowing it to monitor services like Apache, Nginx, MySQL, PostgreSQL, Redis, SNMP devices, virtual machines, and many other systems. Collected values can be stored, forwarded, logged, or exported to tools such as Graphite, Prometheus, Kafka, MQTT, RRDTool, and other monitoring destinations. collectd is built for efficient daemon-based operation, using caching, multithreading, and plugin-based processing to reduce system overhead. It is well suited for administrators and infrastructure teams that need flexible, lightweight, and extensible metrics collection.
Features
- Collects system metrics including CPU, memory, disk, network, load, uptime, and sensor data.
- Supports a wide range of read plugins for databases, web servers, storage systems, network devices, and virtualization platforms.
- Sends collected metrics to outputs such as Graphite, Prometheus, Kafka, MQTT, RRDTool, CSV, Redis, and HTTP endpoints.
- Provides notification options through email, desktop alerts, Nagios, scripts, logs, and network forwarding.
- Uses a plugin-based architecture for data collection, processing, logging, storage, and alerting.
- Runs efficiently as a daemon with multithreading and caching to minimize performance impact.
Project Samples
