OSS Tanbou

Fluentd — a Ruby log collector unifying diverse inputs and destinations

Discovery score 285.2OSS health 92
About these scores

Discovery score is an unbounded weighted, log-compressed index of stars, watchers, forks, and contributors. Growth momentum is its change over the observed period; OSS health is a 0–100 score from available repository recency, Community Health, and release data.

Stars
13,585
Primary language
Ruby
License
Apache-2.0
Repository last updated
Sep 13, 2026

Overview

Fluentd is an open-source logging layer that collects events from multiple data sources and writes them to files, relational databases, NoSQL systems, IaaS, SaaS, Hadoop, and other destinations. It connects log producers and storage or analysis systems through a common layer.

Based on official documentation; not hands-on tested · Content checked:

Bring different log paths into a unified logging layer

Fluentd gathers events into a common processing path and routes them to destinations selected for each workflow. Its README demonstrates a minimal setup installed as a gem, started with a configuration file, and fed a JSON event through fluent-cat.

Sources: [1]

For standardizing collection as sources and destinations multiply

It fits operations platforms that aggregate logs from servers, applications, and services before distributing them to multiple data stores or external services. The CNCF project links to official documentation, GitHub Discussions, and Slack for further guidance.

Sources: [1]

Review Ruby requirements, release lines, and destination-specific behavior

The current master branch is for v1 development, and the README requires Ruby 3.3 or later for development. The v0.12 line is no longer supported. Select a release and verify input and output plugins, credentials, buffering, and retry behavior for the deployment; follow the SECURITY document for vulnerability reports.

Sources: [1]

Official sources

  1. [1]Fluentd README(2026-09-13)
Supplemental curator note

Selected as a Japanese founder-led project that reached CNCF Graduated status and accumulated substantial Japanese community documentation without an official localized site.

Growth trends

Last 30 days

13,585 Stars

Trend data is still being collected.

Built with

  • Ruby

Categories and tags

GitHub Topics

  • fluentd
  • logging
  • data-collector
  • ruby
  • cncf
GitHub dataView detailed GitHub data
Stars
13,585
Forks
1,405
Watchers
328
Open issues
127
Contributors
248
Primary language
Ruby
License
Apache-2.0
Repository last updated
Sep 13, 2026
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