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stdout

The filter_stdout filter plugin prints events to the standard output (or logs if launched as a daemon). This filter plugin is useful for debugging purposes.
It is included in the Fluentd's core.
Example Configurations
1
<filter pattern>
2
  @type stdout
3
</filter>
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A sample output is as follows:
1
2017-11-28 11:43:13.814351757 +0900 tag: {"field1":"value1","field2":"value2"}
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where the first part shows the output time, the second part shows the tag, and the third part shows the record.
Plugin Helpers
​formatter​
​compat_parameters​
​inject​
Parameters
See Common Parameters.
@type (required)
The value must be stdout.
<format> Section
See Format section configurations for more details.
@type
type
default
version
string
stdout
0.14.5
The format of the output.
output_type
type
default
version
string
json
0.14.5
This is the option of stdout format. Configures the format of the record (third part). Any formatter plugins can be specified.
<inject> Section
See Inject Section Configurations for more details.
Learn More
​Filter Plugin Overview​
If this article is incorrect or outdated, or omits critical information, please let us know. Fluentd is an open-source project under Cloud Native Computing Foundation (CNCF). All components are available under the Apache 2 License.