IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

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Lumberjack output plugin

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Lumberjack output plugin

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Plugin version: v3.1.7
Released on: 2018-04-06
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 output sends events using the lumberjack protocol.

Lumberjack Output Configuration Options

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This plugin supports the following configuration options plus the Common Options described later.

Setting	Input type	Required
`flush_size`	number	No
`hosts`	array	Yes
`idle_flush_time`	number	No
`port`	number	Yes
`ssl_certificate`	a valid filesystem path	Yes

Also see Common Options for a list of options supported by all output plugins.

`flush_size`

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Value type is number
Default value is 1024

To make efficient calls to the lumberjack output we are buffering events locally. if the number of events exceed the number the declared flush_size we will send them to the logstash server.

`hosts`

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This is a required setting.
Value type is array
There is no default value for this setting.

list of addresses lumberjack can send to

`idle_flush_time`

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Value type is number
Default value is 1

The amount of time since last flush before a flush is forced.

This setting helps ensure slow event rates don’t get stuck in Logstash. For example, if your flush_size is 100, and you have received 10 events, and it has been more than idle_flush_time seconds since the last flush, Logstash will flush those 10 events automatically.

This helps keep both fast and slow log streams moving along in near-real-time.

`port`

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This is a required setting.
Value type is number
There is no default value for this setting.

the port to connect to

`ssl_certificate`

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This is a required setting.
Value type is path
There is no default value for this setting.

ssl certificate to use

Common Options

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The following configuration options are supported by all output plugins:

Setting	Input type	Required
`codec`	codec	No
`enable_metric`	boolean	No
`id`	string	No

`codec`

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Value type is codec
Default value is "plain"

The codec used for output data. Output codecs are a convenient method for encoding your data before it leaves the output without needing a separate filter in your Logstash pipeline.

`enable_metric`

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Value type is boolean
Default value is true

Disable or enable metric logging for this specific plugin instance. By default we record all the metrics we can, but you can disable metrics collection for a specific plugin.

`id`

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

Add a unique ID to the plugin configuration. If no ID is specified, Logstash will generate one. It is strongly recommended to set this ID in your configuration. This is particularly useful when you have two or more plugins of the same type. For example, if you have 2 lumberjack outputs. Adding a named ID in this case will help in monitoring Logstash when using the monitoring APIs.

output {
  lumberjack {
    id => "my_plugin_id"
  }
}

Variable substitution in the id field only supports environment variables and does not support the use of values from the secret store.

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