Description:
Fast and Lightweight Logs and Metrics processor
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Type: Formula
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Latest Version: 4.2.1@0
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Tracked Since: Dec 18, 2025
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Links:
Homepage |
GitHub |
Docs |
@fluentbit |
formulae.brew.sh
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Stars: 7,525 |
Forks: 1,847 |
Language: C |
Category: Devops
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Tags:
logging
metrics
observability
devops
kubernetes
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Install:
brew install fluent-bit
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About:
Fluent Bit is a high-performance, open-source log processor and forwarder designed for cloud-native environments. It collects, parses, filters, and forwards logs and metrics from various sources to multiple destinations like Elasticsearch, Datadog, and Kafka. Its primary value is providing a lightweight, efficient data pipeline agent with a minimal memory footprint.
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Key Features:
- High-performance log processing and forwarding
- Extensible plugin architecture for inputs, filters, and outputs
- Built-in metrics and health monitoring
- Low memory footprint and CPU usage
- Native support for Kubernetes and Docker
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Use Cases:
- Centralized logging and monitoring in Kubernetes clusters
- Streaming application log data to analytics backends
- Building lightweight data pipelines for IoT and edge computing
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Alternatives:
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fluentd
– Fluent Bit is a lighter-weight, more performant subset of Fluentd, designed as a forwarder/agent.
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Logstash
– Fluent Bit is generally more resource-efficient, while Logstash offers a broader set of built-in plugins.
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Vector
– Both are high-performance data pipelines; Vector is written in Rust and emphasizes reliability and observability.
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| Dec 24, 2025 5:03am |
4.2.1 |
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4.2.0 |
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