Install By Gem
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This article explains how to install Fluentd using Ruby gem.
Please follow the to configure your OS properly. This will prevent many unnecessary problems.
Please install Ruby >= 1.9.3 on your local environment. In addition, install ruby-dev package via package manager to build native extension gems.
Fetch and install the fluentd
Ruby gem using the gem
command. The official ruby gem page is .
-v "~> 0.12.0"
is needed for v0.12 installation. Without it, you install v0.14 series.
Run the following commands to confirm that Fluentd was installed successfully:
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:
It's HIGHLY recommended that you set up ntpd on the node to prevent invalid timestamps in your logs.
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.
Basic Configuration
Application Logs
Examples
For large deployments, you must use to avoid memory fragmentation. This is already included in the and packages.
The Fluentd gem doesn't come with /etc/init.d/ scripts. You should use process management tools such as , , , or .
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If this article is incorrect or outdated, or omits critical information, please . is a open source project under . All components are available under the Apache 2 License.