Telegraf
Telegraf is an open-source server agent for collecting and reporting metrics and events from various sources, such as systems, databases, and applications. It is part of the TICK stack (Telegraf, InfluxDB, Chronograf, Kapacitor) and is designed to be lightweight, plugin-driven, and easy to configure for real-time data ingestion into time-series databases like InfluxDB.
Developers should learn and use Telegraf when building monitoring, observability, or data analytics systems that require efficient collection of metrics from diverse sources, such as servers, containers, or IoT devices. It is particularly valuable in DevOps and cloud-native environments for automating metric gathering, enabling real-time insights, and integrating with tools like Grafana or Prometheus for visualization and alerting.