Fluentd
Search…
0.12
Introduction
Overview
Use Cases
Configuration
Deployment
Container Deployment
Input Plugins
Output Plugins
Buffer Plugins
Filter Plugins
Parser Plugins
Formatter Plugins
Developer
Articles
Store Apache Logs into MongoDB
Apache To Riak
Store Apache Logs into Amazon S3
Before Install
Cep Norikra
Collect Glusterfs Logs
Common Log Formats
Docker Logging Efk Compose
Docker Logging
Filter Modify Apache
Forwarding Over Ssl
Free Alternative To Splunk By Fluentd
Data Collection to Hadoop (HDFS)
Data Analytics with Treasure Data
Install By Chef
Install By Deb
Install By Dmg
Install By Gem
Install By Rpm
Install From Source
Install On Beanstalk
Install On Heroku
Java
Kinesis Stream
Kubernetes Fluentd
Monitoring Prometheus
Monitoring Rest Api
Nodejs
Performance Tuning Multi Process
Performance Tuning Single Process
Perl
Php
Python
Quickstart
Raspberrypi Cloud Data Logger
Recipe Apache Logs To Elasticsearch
Recipe Apache Logs To Mongo
Recipe Apache Logs To S3
Recipe Apache Logs To Treasure Data
Recipe Cloudstack To Mongodb
Recipe Csv To Elasticsearch
Recipe Csv To Mongo
Recipe Csv To S3
Recipe Csv To Treasure Data
Recipe Http Rest Api To Elasticsearch
Recipe Http Rest Api To Mongo
Recipe Http Rest Api To S3
Recipe Http Rest Api To Treasure Data
Recipe Json To Elasticsearch
Recipe Json To Mongo
Recipe Json To S3
Recipe Json To Treasure Data
Recipe Nginx To Elasticsearch
Recipe Nginx To Mongo
Recipe Nginx To S3
Recipe Nginx To Treasure Data
Recipe Syslog To Elasticsearch
Recipe Syslog To Mongo
Recipe Syslog To S3
Recipe Syslog To Treasure Data
Recipe Tsv To Elasticsearch
Recipe Tsv To Mongo
Recipe Tsv To S3
Recipe Tsv To Treasure Data
Ruby
Scala
Splunk Like Grep And Alert Email
Powered By GitBook
Install By Gem
This article explains how to install Fluentd using Ruby gem.

Step0: Before Installation

Please follow the Preinstallation Guide to configure your OS properly. This will prevent many unnecessary problems.

Step1: Install Ruby interpreter

Please install Ruby >= 1.9.3 on your local environment. In addition, install ruby-dev package via package manager to build native extension gems.

Step2: Install Fluentd gem

Fetch and install the fluentd Ruby gem using the gem command. The official ruby gem page is here.
1
$ gem install fluentd -v "~> 0.12.0" --no-ri --no-rdoc
Copied!
-v "~> 0.12.0" is needed for v0.12 installation. Without it, you install v0.14 series.

Step3: Run

Run the following commands to confirm that Fluentd was installed successfully:
1
$ fluentd --setup ./fluent
2
$ fluentd -c ./fluent/fluent.conf -vv & # -vv enables trace level logs. You can omit -vv option.
3
$ echo '{"json":"message"}' | fluent-cat debug.test
Copied!
The last command sends Fluentd a message '{"json":"message"}' with a "debug.test" tag. If the installation was successful, Fluentd will output the following message:
1
2011-07-10 16:49:50 +0900 debug.test: {"json":"message"}
Copied!
It's HIGHLY recommended that you set up ntpd on the node to prevent invalid timestamps in your logs.
For large deployments, you must use jemalloc to avoid memory fragmentation. This is already included in the rpm and deb packages.
The Fluentd gem doesn't come with /etc/init.d/ scripts. You should use process management tools such as daemontools, runit, supervisord, or upstart.

Next Steps

You're now ready to collect your real logs using Fluentd. Please see the following tutorials to learn how to collect your data from various data sources.
If this article is incorrect or outdated, or omits critical information, please let us know. Fluentd is a open source project under Cloud Native Computing Foundation (CNCF). All components are available under the Apache 2 License.
Previous
Install By Dmg
Next
Install By Rpm
Last modified 2yr ago
Copy link
Contents
Step0: Before Installation
Step1: Install Ruby interpreter
Step2: Install Fluentd gem
Step3: Run
Next Steps