description: High Performance Log and Metrics Processor

Fluent Bit v2.0 Documentation

Fluent Bit is a Fast and Lightweight Logs and Metrics Processor and Forwarder for Linux, OSX, Windows and BSD family operating systems. It has been made with a strong focus on performance to allow the collection of events from different sources without complexity.

Features

• High Performance
• Data Parsing
  • Convert your unstructured messages using our parsers: JSON, Regex, LTSV and Logfmt
• Metrics Collection (Prometheus 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
  • More than 80 built-in plugins available
  • Extensibility
    • Write any input, filter or output plugin in C language
    • 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, Fluentd and CNCF

Fluent Bit is a CNCF sub-project under the umbrella of Fluentd, it's licensed under the terms of the Apache License v2.0. This project was originally created by Treasure Data and is currently a vendor neutral and community driven project.