Fluent Bit
UnclaimedA super fast, lightweight, and highly scalable logging, metrics, and traces processor and forwarder.
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TL;DR - Fluent Bit
- Collects, processes, and forwards logs, metrics, and traces.
- Designed for high performance, low resource usage, and scalability in cloud/container environments.
- Offers flexible data routing, filtering, and over 80 plugins for broad integration.
Pricing: Free forever
Best for: Individuals & startups
Pros & Cons
Pros
- Extremely lightweight with a minimal footprint (~450kb)
- High throughput with low CPU and memory usage
- Scalable, proven across distributed cloud and container environments
- Flexible with granular data management and extensive plugin support
- Efficient, asynchronous design optimizes resource usage
Cons
- Requires technical knowledge for configuration and deployment
- Community support primarily for open-source users
Key Features
Collects logs, metrics, and traces from multiple sourcesEnriches data with filtersDistributes data to any defined destinationOptimized data parsing and routingPrometheus and OpenTelemetry compatibleStream processing functionalityBuilt-in buffering and error-handlingRobust, lightweight, and portable architecture
Pricing
Free
Fluent Bit is completely free to use with no hidden costs.
About Fluent Bit
By Toolradar Team·
Fluent Bit is an end-to-end observability pipeline designed for collecting, processing, and forwarding logs, metrics, and traces. It is particularly well-suited for cloud and containerized environments due to its lightweight and high-performance architecture. The tool enables users to gather data from various sources, enrich it using filters, and then distribute it to a wide range of defined destinations.
This processor and forwarder is built for high throughput with minimal CPU and memory usage, making it efficient and scalable. It offers granular control over data parsing and routing, allowing for optimization of security and cost. With over 80 plugins, it integrates seamlessly with cloud-native services, containers, streaming processors, and data backends, providing flexibility and avoiding vendor lock-in. Fluent Bit is a CNCF graduated project, emphasizing its open-source nature and community support.
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Fluent Bit FAQ
What is Fluent Bit?
Fluent Bit is a super fast, lightweight, and highly scalable open-source processor and forwarder for logs, metrics, and traces. It's designed to collect, enrich, and distribute observability data from various sources to multiple destinations, especially in cloud and containerized environments.
How much does Fluent Bit cost?
Fluent Bit is an open-source project and is free to use.
Is Fluent Bit free?
Yes, Fluent Bit is a free, open-source project under the Cloud Native Computing Foundation (CNCF).
Who is Fluent Bit for?
Fluent Bit is for developers, DevOps engineers, SREs, and organizations operating in cloud and containerized environments that need a high-performance, lightweight, and scalable solution for collecting, processing, and forwarding their observability data (logs, metrics, and traces).
Source: fluentbit.io