Fluentd is a log collector that gathers events from various data sources and writes them to files, databases, cloud services, and other destinations.
Fluentd solves the problem of fragmented logging infrastructure by providing a unified layer that collects events from diverse sources and routes them to multiple outputs. The tool uses a plugin-based architecture that allows it to connect to numerous input sources and output destinations, enabling organizations to standardize how logs are collected and processed across their systems.
Teams should adopt Fluentd when they need to consolidate logs from multiple applications and infrastructure components into centralized storage or analysis systems. It suits projects ranging from small deployments to large-scale distributed systems, particularly those already using or considering cloud-native technologies. The tool is especially valuable for organizations seeking to avoid vendor lock-in by maintaining flexibility in where logs are stored and processed.
The project maintains active development on the master branch for the current version, with a deprecated earlier branch no longer receiving support. Development requires Ruby and git, with a standard test suite run through bundler and rake. The project maintains a security-conscious posture, having commissioned a third-party security audit and providing a dedicated security contact process for vulnerability reports.