Heartbeat
Generates rows at a fixed interval
Processing
The step discards any incoming rows and generates its own rows at fixed intervals.
The step generates rows until a stopping condition is met.
Settings
| Name | Type | Description |
|---|---|---|
Interval |
long |
The interval at which to generate rows. Evaluated once when step initializes |
Unit |
string |
The interval unit at which to generate rows. Evaluated once when step initializes |
Stop after beats |
long |
Step stops producing heartbeat rows after this number of rows. Set to Evaluated once when step initializes |
Stop after deadline |
datetime |
Step stops producing heartbeat rows after this datetime. Set to Evaluated once when step initializes |
Stop after input done |
boolean |
If true, step stops producing heartbeat rows when there are no more input rows. Evaluated once when step initializes |
Results
| Name | Type | Description |
|---|---|---|
beat_nr |
long | Sequential number of heartbeats generated. |
beat_datetime |
datetime | Datetime value capturing the time the heartbeat row was generated. |