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Elastic Docs ›Logstash Reference [2.3] ›Output plugins

stdout

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stdout

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A simple output which prints to the STDOUT of the shell running Logstash. This output can be quite convenient when debugging plugin configurations, by allowing instant access to the event data after it has passed through the inputs and filters.

For example, the following output configuration, in conjunction with the Logstash -e command-line flag, will allow you to see the results of your event pipeline for quick iteration.

    output {
      stdout {}
    }

Useful codecs include:

rubydebug: outputs event data using the ruby "awesome_print" library

    output {
      stdout { codec => rubydebug }
    }

json: outputs event data in structured JSON format

    output {
      stdout { codec => json }
    }

 

Synopsis

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This plugin supports the following configuration options:

Required configuration options:

stdout {
}

Available configuration options:

Setting Input type Required Default value

codec

codec

No

"line"

workers

number

No

1

Details

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codec

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  • Value type is codec
  • Default value is "line"

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.

workers

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  • Value type is number
  • Default value is 1

The number of workers to use for this output. Note that this setting may not be useful for all outputs.

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