Build Your Unified Logging Layer

Fluentd is an open source data collector for unified logging layer.

Fluentd allows you to unify data collection and consumption for a better use and understanding of data.

Unified Logging Layer

Fluentd decouples data sources from backend systems by providing a unified logging layer in between.

Simple yet Flexible

Fluentd's 500+ plugins connect it to many data sources and outputs while keeping its core simple.


5,000+ data-driven companies rely on Fluentd. Its largest user currently collects logs from 50,000+ servers.

We are a Cloud Native Computing Foundation (CNCF) member project.

Cloud Native Computing Foundation



"Fluentd proves you can achieve programmer happiness and performance at the same time. A great example of Ruby beyond the Web."

Yukihiro Matsumoto (Matz), creator of Ruby
Adam Wiggins

"Logs are streams, not files. I love that Fluentd puts this concept front-and-center, with a developer-friendly approach for distributed systems logging."

Adam Wiggins, Heroku co-founder
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