Let's get started with Fluentd! Fluentd is a fully free and fully open-source log collector that instantly enables you to have a 'Log Everything' architecture with 125+ types of systems.

Fluentd treats logs as JSON, a popular machine-readable format. It is written primarily in C with a thin-Ruby wrapper that gives users flexibility.

Fluentd's scalability has been proven in the field: its largest user currently collects logs from 50,000+ servers.

Step 1: Installing Fluentd

Please follow the installation/quickstart guides below that matches your environment.

• ​Install Fluentd by RPM package (Red Hat Linux)

• ​Install Fluentd by Deb package (Ubuntu/Debian Linux)

• ​Install Fluentd by MSI package (Windows msi)

• ​Install Fluentd by Ruby Gem​

• ​Install Fluentd from source​

Step 2: Use Cases

The following articles cover the typical use cases of Fluentd:

• Use Cases

  • ​Data Search like Splunk​

  • ​Data Filtering and Alerting​

  • ​Data Analytics with Treasure Data​

  • ​Data Collection to MongoDB​

  • ​Data Collection to HDFS​

  • ​Data Archiving to Amazon S3​

• Basic Configuration

  • ​Config File​

• Application Logs

  • ​Ruby, Java, Python, PHP,

    ​Perl, Node.js, Scala​

• Happy Users :)

  • ​Users​

Step 3: Learn More

The following articles will provide detailed information about Fluentd:

• ​Architecture Overview​

• ​Lifecycle of a Fluentd Event​

• Plugin Overview

  • ​Input Plugins​

  • ​Output Plugins​

  • ​Buffer Plugins​

  • ​Filter Plugins​

  • ​Parser Plugins​

  • ​Formatter Plugins​

• ​High Availability Configuration​

• ​FAQ​

If this article is incorrect or outdated, or omits critical information, please let us know. Fluentd is an open-source project under Cloud Native Computing Foundation (CNCF). All components are available under the Apache 2 License.