High Performance Telemetry Agent for Logs, Metrics and Traces
High Performance: High throughput with low resources consumption
Metrics Support: Prometheus and OpenTelemetry compatible
Reliability and Data Integrity
Backpressure Handling
Data Buffering in memory and file system
Networking
Security: built-in TLS/SSL support
Asynchronous I/O
Pluggable Architecture and Extensibility: Inputs, Filters and Outputs
Connect nearly any source to nearly any destination using preexisting plugins
Extensibility
Write any input, filter or output plugin in C language
WASM: WASM Filter Plugins or WASM Input Plugins
Bonus: write Filters in Lua or Output plugins in Golang
Monitoring: expose internal metrics over HTTP in JSON and Prometheus format
Stream Processing: Perform data selection and transformation using simple SQL queries
Create new streams of data using query results
Aggregation Windows
Data analysis and prediction: Timeseries forecasting
Portable: runs on Linux, macOS, Windows and BSD systems
Fluent Bit is a CNCF graduated sub-project under the umbrella of Fluentd. Fluent Bit is licensed under the terms of the Apache License v2.0.
Fluent Bit was originally created by Eduardo Silva and is now sponsored by Chronosphere. As a CNCF-hosted project, it is a fully vendor-neutral and community-driven project.
Fluent Bit is a fast and lightweight telemetry agent for logs, metrics, and traces for Linux, macOS, Windows, and BSD family operating systems. It has been made with a strong focus on performance to allow the collection and processing of telemetry data from different sources without complexity.