stdout

The stdout output plugin prints events to the standard output (or logs if launched as a daemon). This output plugin is useful for debugging purposes.
It is included in Fluentd's core.
Example Configuration
<match pattern>
@type stdout
</match>
Please see the Config File article for the basic structure and syntax of the configuration file.
Sample output:
2017-11-28 11:43:13.814351757 +0900 tag: {"field1":"value1","field2":"value2"}
where the first part shows the output time, the second part shows the tag, and the third part shows the record.
Supported Modes
- Non-Buffered
- Synchronous
Plugin Helpers
Parameters
@type
The value must be stdout.
use_logger
| type | default | version |
|---|---|---|
| bool | true | 1.19.0 |
If Fluentd logger outputs logs to a file, this plugin outputs events to the file as well.
If setting false, this plugin outputs events to STDOUT independently of Fluentd logger.
<buffer> Section
See Buffer Section Configurations for more details.
chunk_keys
| type | default | version |
|---|---|---|
| array | tag | 0.14.5 |
Overwrites the default value in this plugin.
flush_at_shutdown
| type | default | version |
|---|---|---|
| bool | true | 0.14.5 |
Overwrites the default value in this plugin.
chunk_limit_size
| type | default | version |
|---|---|---|
| size | 10240 | 0.14.5 |
Overwrites the default value in this plugin.
<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 for the stdout format. Configure the format of the record (third part). Any formatter plugins can be specified.
<inject> Section
See Inject Section Configurations for more details.