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Stateful Functions includes a number of SDK specific metrics. Along with the standard metric scopes, Stateful Functions supports Function Scope which one level below operator scope.
metrics.scope.function
- Default: <host>.taskmanager.<tm_id>.<job_name>.<operator_name>.<subtask_index>.<function_namespace>.<function_name>
- Applied to all metrics that were scoped to a function.
| Metrics | Scope | Description | Type |
|---|---|---|---|
in | Function | The number of incoming messages. | Counter |
inRate | Function | The average number of incoming messages per second. | Meter |
out-local | Function | The number of messages sent to a function on the same task slot. | Counter |
out-localRate | Function | The average number of messages sent to a function on the same task slot per second. | Meter |
out-remote | Function | The number of messages sent to a function on a different task slot. | Counter |
out-remoteRate | Function | The average number of messages sent to a function on a different task slot per second. | Meter |
out-egress | Function | The number of messages sent to an egress. | Counter |
feedback.produced | Operator | The number of messages read from the feedback channel. | Meter |
feedback.producedRate | Operator | The average number of messages read from the feedback channel per second. | Meter |
