https://github.com/fluent/fluentd

Fluentd: Unified Logging Layer (project under CNCF)
https://github.com/fluent/fluentd

Keywords

cncf data-collector fluentd logging ruby

Keywords from Contributors

activerecord activejob mvc fluentd-plugin rubygems msgpack crash-reporting ruby-gem rack sinatra

Last synced: about 21 hours ago
JSON representation

Repository metadata

Fluentd: Unified Logging Layer (project under CNCF)

Host: GitHub
URL: https://github.com/fluent/fluentd
Owner: fluent
License: apache-2.0
Created: 2011-06-19T08:41:40.000Z (almost 15 years ago)
Default Branch: master
Last Pushed: 2026-04-20T08:14:53.000Z (10 days ago)
Last Synced: 2026-04-24T06:08:09.792Z (7 days ago)
Topics: cncf, data-collector, fluentd, logging, ruby
Language: Ruby
Homepage: https://www.fluentd.org
Size: 19.9 MB
Stars: 13,528
Watchers: 329
Forks: 1,392
Open Issues: 134
Releases: 24
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Code of conduct: code-of-conduct.md
- Security: SECURITY.md
- Governance: GOVERNANCE.md
- Authors: AUTHORS
- Maintainers: MAINTAINERS.md

Fluentd: Open-Source Log Collector

Fluentd collects events from various data sources and writes them to files, RDBMS, NoSQL, IaaS, SaaS, Hadoop and so on. Fluentd helps you unify your logging infrastructure (Learn more about the Unified Logging Layer).

Quick Start

$ gem install fluentd
$ fluentd -s conf
$ fluentd -c conf/fluent.conf &
$ echo '{"json":"message"}' | fluent-cat debug.test

Development

Branch

master: For v1 development.
v0.12: For v0.12. This is deprecated version. we already stopped supporting (See https://www.fluentd.org/blog/drop-schedule-announcement-in-2019).

Prerequisites

Ruby 3.2 or later
git

git should be in PATH. On Windows, you can use Github for Windows and GitShell for easy setup.

Install dependent gems

Use bundler:

$ gem install bundler
$ bundle install --path vendor/bundle

Run test

$ bundle exec rake test

You can run specified test via TEST environment variable:

$ bundle exec rake test TEST=test/test_specified_path.rb
$ bundle exec rake test TEST=test/test_*.rb

More Information

Website: https://www.fluentd.org/
Documentation: https://docs.fluentd.org/
Project repository: https://github.com/fluent
Discussion: https://github.com/fluent/fluentd/discussions
Slack / Community: https://slack.fluentd.org
Newsletters: https://www.fluentd.org/newsletter
Author: Sadayuki Furuhashi
Copyright: 2011-2021 Fluentd Authors
License: Apache License, Version 2.0

Security

A third party security audit was performed by Cure53, you can see the full report here.

See SECURITY to contact us about vulnerability.

Contributors:

Patches contributed by great developers.

Owner metadata

Name: Fluentd: Unified Logging Layer
Login: fluent
Email:
Kind: organization
Description: Fluentd is a cloud native logging solution to unify data collection and consumption.
Website: http://www.fluentd.org/
Location: Cloud Native Computing Foundation
Twitter:
Company:
Icon url: https://avatars.githubusercontent.com/u/859518?v=4
Repositories: 89
Last ynced at: 2023-04-10T10:21:17.081Z
Profile URL: https://github.com/fluent

GitHub Events

Total

Fork event: 47
Discussion event: 3
Create event: 117
Release event: 6
Issues event: 153
Watch event: 509
Delete event: 120
Issue comment event: 684
Push event: 297
Gollum event: 18
Pull request review comment event: 269
Pull request review event: 556
Pull request event: 485

Last Year

Fork event: 29
Discussion event: 3
Create event: 97
Release event: 5
Issues event: 113
Watch event: 367
Delete event: 97
Issue comment event: 499
Push event: 238
Gollum event: 12
Pull request review comment event: 192
Pull request review event: 442
Pull request event: 400

Committers metadata

Last synced: 3 days ago

Total Commits: 5,528
Total Committers: 281
Avg Commits per committer: 19.673
Development Distribution Score (DDS): 0.828

Commits in past year: 203
Committers in past year: 17
Avg Commits per committer in past year: 11.941
Development Distribution Score (DDS) in past year: 0.616

Name	Email	Commits
TAGOMORI Satoshi	t**s@g**m	952
Masahiro Nakagawa	r**y@g**m	929
Yuta Iwama	g**s@g**m	613
Hiroshi Hatake	h**e@c**m	414
Kenji Okimoto	o**o@c**m	398
FURUHASHI Sadayuki	f**i@u**p	359
Takuro Ashie	a**e@c**m	321
Daijiro Fukuda	f**a@c**m	178
dependabot[bot]	4****]	131
Kentaro Hayashi	h**i@c**m	117
Shizuo Fujita	f**a@c**m	115
Yuki Ito	y**i@g**t	87
sonots	s**s@g**m	77
okahashi117	n**i@j**p	66
NARUSE, Yui	n**e@a**p	46
Kiyoto	me@k****m	24
Fujimoto Seiji	f**o@c**m	23
Fujimoto Seiji	f**o@c**t	23
Kazuki Ohta	k**a@g**m	23
Masahiro Sano	s**a@g**m	21
Eduardo Silva	e**o@t**m	18
abetomo	a**e@e**o	16
Ryuma Yoshida	r**7@g**m	16
abicky	t**i@g**m	14
Yuichi TANIKAWA	t**1@g**m	13
Christian Menges	c**s@o**m	12
Ritta Narita	n**n@g**m	12
Yuichi Tateno	h**h@g**m	11
Kentaro Kuribayashi	k**k@g**m	11
Šimon Lukašík	i**k@f**g	10
and 251 more...

Committer domains:

Issue and Pull Request metadata

Last synced: 3 days ago

Total issues: 343
Total pull requests: 852
Average time to close issues: 9 months
Average time to close pull requests: 15 days
Total issue authors: 257
Total pull request authors: 48
Average comments per issue: 4.41
Average comments per pull request: 1.83
Merged pull request: 666
Bot issues: 0
Bot pull requests: 184

Past year issues: 40
Past year pull requests: 213
Past year average time to close issues: 18 days
Past year average time to close pull requests: 3 days
Past year issue authors: 30
Past year pull request authors: 20
Past year average comments per issue: 3.38
Past year average comments per pull request: 0.89
Past year merged pull request: 152
Past year bot issues: 0
Past year bot pull requests: 68

More stats: https://issues.ecosyste.ms/repositories/lookup?url=https://github.com/fluent/fluentd

Top Issue Authors

Watson1978 (23)
daipom (22)
tagomoris (6)
ashie (5)
kenhys (4)
deepaksb2 (4)
mlasevich (3)
harshitasao (3)
RamHaridas (3)
Garfield96 (3)
qingling128 (3)
jmeher2020 (2)
cosmo0920 (2)
LukasJerabek (2)
khteh (2)

Top Pull Request Authors

daipom (199)
dependabot[bot] (179)
Watson1978 (176)
kenhys (161)
ashie (33)
Athishpranav2003 (11)
cosmo0920 (9)
egemenkus (6)
repeatedly (6)
isimluk (5)
github-actions[bot] (5)
Garfield96 (5)
yugeeklab (4)
orgads (4)
harshitasao (3)

Top Issue Labels

waiting-for-triage (73)
enhancement (63)
bug (55)
stale (42)
waiting-for-user (36)
Non fluentd issue (15)
CI (15)
feature request (11)
work-in-progress (10)
memory (9)
v1 (5)
moreinfo (4)
v0.14 (3)
windows (3)
work_in_progress (2)
v2 (2)
good first issue (2)
pending (2)
document (1)
help wanted (1)
ipv6 (1)
plugin issue (1)

Top Pull Request Labels

dependencies (179)
github_actions (81)
CI (67)
backport to LTS (63)
backported (47)
enhancement (22)
bug (10)
stale (10)
backport to v1.19 (8)
pending (5)
moreinfo (2)
backport to v1.16 (1)
memory (1)

Package metadata

Total packages: 7
Total downloads:
- conda: 92,128 total
- rubygems: 120,902,817 total
Total docker downloads: 2,367,565,198
Total dependent packages: 1,194 (may contain duplicates)
Total dependent repositories: 3,045 (may contain duplicates)
Total versions: 1,172
Total maintainers: 10
Total advisories: 3

gem.coop: fluentd

Fluentd is an open source data collector designed to scale and simplify log management. It can collect, process and ship many kinds of data in near real-time.

Homepage: https://www.fluentd.org/
Documentation: http://www.rubydoc.info/gems/fluentd/
Licenses: Apache-2.0
Latest release: 1.19.2 (published 3 months ago)
Last Synced: 2026-04-28T19:30:46.456Z (2 days ago)
Versions: 428
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 60,449,750 Total
Docker Downloads: 1,183,782,599
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Docker downloads count: 0.075%
- Average: 0.134%
- Downloads: 0.46%
Maintainers (10)
- kenhys
- ganmacs
- tagomoris
- cosmo0920
- ashie
- daipom
- ceptord
- Watson
- frsyuki
- repeatedly

rubygems.org: fluentd

Fluentd is an open source data collector designed to scale and simplify log management. It can collect, process and ship many kinds of data in near real-time.

Homepage: https://www.fluentd.org/
Documentation: http://www.rubydoc.info/gems/fluentd/
Licenses: Apache-2.0
Latest release: 1.19.2 (published 3 months ago)
Last Synced: 2026-04-28T22:14:50.180Z (2 days ago)
Versions: 428
Dependent Packages: 1,194
Dependent Repositories: 3,044
Downloads: 60,453,067 Total
Docker Downloads: 1,183,782,599
Rankings:
- Dependent packages count: 0.043%
- Docker downloads count: 0.099%
- Stargazers count: 0.101%
- Forks count: 0.17%
- Average: 0.233%
- Downloads: 0.419%
- Dependent repos count: 0.568%
Maintainers (10)
- kenhys
- ganmacs
- tagomoris
- daipom
- ceptord
- cosmo0920
- ashie
- frsyuki
- repeatedly
- Watson
Advisories:

proxy.golang.org: github.com/fluent/fluentd

Homepage:
Documentation: https://pkg.go.dev/github.com/fluent/fluentd#section-documentation
Licenses: apache-2.0
Latest release: v1.19.2 (published 3 months ago)
Last Synced: 2026-04-04T09:52:01.068Z (26 days ago)
Versions: 240
Dependent Packages: 0
Dependent Repositories: 1
Rankings:
- Stargazers count: 0.581%
- Forks count: 0.701%
- Average: 3.632%
- Dependent repos count: 4.79%
- Dependent packages count: 8.456%

conda-forge.org: rb-fluentd

Homepage: https://rubygems.org/gems/fluentd
Licenses: Apache-2.0
Latest release: 1.11.3 (published over 5 years ago)
Last Synced: 2026-04-01T16:12:14.562Z (29 days ago)
Versions: 16
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 92,128 Total
Rankings:
- Stargazers count: 2.336%
- Forks count: 3.903%
- Average: 22.86%
- Dependent repos count: 34.025%
- Dependent packages count: 51.175%

artifacthub.io: helm/fluentd

A Helm chart for fluentd

Homepage: https://www.fluentd.org/
Documentation: https://artifacthub.io/packages/helm/helm/fluentd
Licenses: Unknown
Latest release: 0.2.16 (published almost 4 years ago)
Last Synced: 2026-04-04T09:51:58.470Z (26 days ago)
Versions: 19
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 0 Total
Rankings:
- Downloads: 0.0%
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

artifacthub.io: fluent/fluentd

A Helm chart for Kubernetes

Homepage: https://www.fluentd.org/
Documentation: https://artifacthub.io/packages/helm/fluent/fluentd
Licenses: Unknown
Latest release: 0.5.3 (published 12 months ago)
Last Synced: 2026-04-04T09:51:58.437Z (26 days ago)
Versions: 38
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 0 Total
Rankings:
- Downloads: 0.0%
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

artifacthub.io: openstack-helm/fluentd

OpenStack-Helm Fluentd

Homepage: https://www.fluentd.org/
Documentation: https://artifacthub.io/packages/helm/openstack-helm/fluentd
Licenses: Unknown
Latest release: 0.1.2 (published about 5 years ago)
Last Synced: 2026-04-04T09:51:58.699Z (26 days ago)
Versions: 3
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 0 Total
Rankings:
- Downloads: 0.0%
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

Dependencies

.github/workflows/test-ruby-head.yml actions

actions/checkout v3 composite
ruby/setup-ruby v1 composite

.github/workflows/test.yml actions

actions/checkout v3 composite
ruby/setup-ruby v1 composite

.github/workflows/stale-actions.yml actions

actions/stale v8 composite

Gemfile rubygems

fluentd.gemspec rubygems

async ~> 1.23 development
async-http >= 0.50.0 development
flexmock ~> 2.0 development
oj >= 2.14, < 4 development
parallel_tests ~> 0.15.3 development
rake ~> 13.0 development
rr ~> 3.0 development
simplecov ~> 0.7 development
test-unit ~> 3.3 development
test-unit-rr ~> 1.0 development
timecop ~> 0.9 development
bundler >= 0
certstore_c ~> 0.1.7
cool.io >= 1.4.5, < 2.0.0
http_parser.rb >= 0.5.1, < 0.9.0
msgpack >= 1.3.1, < 2.0.0
serverengine >= 2.3.2, < 3.0.0
sigdump ~> 0.2.5
strptime >= 0.2.4, < 1.0.0
tzinfo >= 1.0, < 3.0
tzinfo-data ~> 1.0
webrick ~> 1.4
win32-event ~> 0.6.3
win32-ipc ~> 0.7.0
win32-service ~> 2.3.0
yajl-ruby ~> 1.0

templates/new_gem/Gemfile rubygems

Score: 36.795700373926415