Fluent codec plugin

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Fluent codec plugin

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Plugin version: v3.4.3
Released on: 2024-06-25
Changelog

For other versions, see the Versioned plugin docs.

Getting Help

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For questions about the plugin, open a topic in the Discuss forums. For bugs or feature requests, open an issue in Github. For the list of Elastic supported plugins, please consult the Elastic Support Matrix.

Description

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This codec handles fluentd’s msgpack schema.

For example, you can receive logs from fluent-logger-ruby with:

    input {
      tcp {
        codec => fluent
        port => 4000
      }
    }

And from your ruby code in your own application:

    logger = Fluent::Logger::FluentLogger.new(nil, :host => "example.log", :port => 4000)
    logger.post("some_tag", { "your" => "data", "here" => "yay!" })

Fluent uses second-precision for events, so you will not see sub-second precision on events processed by this codec.

Fluent Codec configuration options

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Setting	Input type	Required
`nanosecond_precision`	boolean	No
`target`	string	No

`nanosecond_precision`

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Value type is boolean
Default value is false

Enables sub-second level precision while encoding events.

`target`

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Value type is string
There is no default value for this setting.

Define the target field for placing the decoded values. If this setting is not set, data will be stored at the root (top level) of the event.

For example, if you want data to be put under the logs field:

    input {
      tcp {
        codec => fluent {
          target => "[logs]"
        }
        port => 4000
      }
    }

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