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Fluent Bit

Lightweight and fast logs and metrics processor

Monitoring & Status ★ 8k stars Medium setup Apache-2.0

Fluent Bit is a fast, lightweight telemetry agent for collecting and processing logs, metrics, and traces. Written in C, it is designed for edge and container environments with minimal resource use.

Official siteSource code

Key features

  • Very small memory footprint
  • Logs, metrics, and traces
  • Kubernetes-native filters
  • High throughput in C

Pros & cons

Strengths

  • Ideal for containers and edge
  • Extremely efficient

Trade-offs

  • Fewer plugins than Fluentd
  • Config syntax is terse

Fluent Bit replaces

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