dummy

The in_dummy input plugin generates dummy events. It is useful for testing, debugging, benchmarking and getting started with Fluentd.

Example Configuration

in_dummy is included in Fluentd's core. No additional installation process is required.

<source>
@type dummy
dummy {"hello":"world"}
</source>

Please see the Config File article for the basic structure and syntax of the configuration file.

Plugin helpers

Parameters

Common Parameters

@type

The value must be dummy.

tag

type

default

version

string

Nothing

0.14.0

The value is the tag assigned to the generated events.

size

type

default

version

integer

1

0.14.4

The number of events in event stream of each emits.

rate

type

default

version

integer

1

0.14.0

It configures how many events to generate per second.

auto_increment_key

type

default

version

string

nil

0.14.0

If specified, each generated event has an auto-incremented key field.

For example, with auto_increment_key foo_key, the first couple of events look like:

2014-12-14 23:23:38 +0000 test: {"message":"dummy","foo_key":0}
2014-12-14 23:23:38 +0000 test: {"message":"dummy","foo_key":1}
2014-12-14 23:23:38 +0000 test: {"message":"dummy","foo_key":2}

suspend

type

default

version

bool

false

0.14.2

The boolean to suspend-and-resume incremental value after restart.

dummy

type

default

version

string

[{"message": "dummy"}]

0.14.0

The dummy data to be generated. It should be either an array of JSON hashes or a single JSON hash. If it is an array of JSON hashes, the hashes in the array are cycled through in order.

If this article is incorrect or outdated, or omits critical information, please let us know. Fluentd is a open source project under Cloud Native Computing Foundation (CNCF). All components are available under the Apache 2 License.