Yandex Serverless Integrations metrics

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Updated at September 17, 2026

This section describes the Serverless Integrations metrics delivered to Monium.Metrics.

The name label contains the metric name.

Yandex EventRouter metrics

All EventRouter metrics share the bus label, which is the bus ID.

Metric name Type, units	Description Labels
`serverless_eventrouter_bus_put_event_per_second` `DGAUGE`, messages per second	Frequency of messages sent using the EventService/Put gRPC API call.
`serverless_eventrouter_bus_sent_error_per_second` `DGAUGE`, errors per second	Frequency of bus errors. Labels: `code`: Error code. The possible values are as follows: `EVENTROUTER_BUS_SEND_ERROR` `EVENTROUTER_EVENT_SIZE_EXCEEDED` `source`: Source
`serverless_eventrouter_put_event_latency_milliseconds` `DGAUGE`, milliseconds	Time from receiving a message sent using the EventService/Put gRPC API call until it is written to the bus.

All connector metrics share the connector label, which is the connector ID.

Metric name Type, units	Description
`serverless_eventrouter_connector_access_error_per_second` `DGAUGE`, errors per second	Frequency of connector resource access errors
`serverless_eventrouter_connector_error_per_second` `DGAUGE`, errors per second	Frequency of connector errors
`serverless_eventrouter_connector_event_per_second` `DGAUGE`, events per second	Connector's event read rate
`serverless_eventrouter_connector_event_size_exceeded_per_second` `DGAUGE`, errors per second	Frequency of maximum size exceeded errors in messages received by the connector

All rule metrics share the following labels:

Label	Value
matched	Matching the filter conditions
rule	Rule ID

Metric name Type, units	Description
`serverless_eventrouter_rule_event_per_second` `DGAUGE`, events per second	Rule processing rate

All target metrics share the following labels:

Label	Value
rule	Rule ID
type	Target type

Metric name Type, units	Description
`serverless_eventrouter_event_delivery_time_milliseconds` `DGAUGE`, milliseconds	Time from event receipt by the connector to its delivery to the target
`serverless_eventrouter_target_access_error_per_second` `DGAUGE`, errors per second	Frequency of access errors in the target
`serverless_eventrouter_target_error_per_second` `DGAUGE`, errors per second	Frequency of target errors
`serverless_eventrouter_target_event_size_exceeded_per_second` `DGAUGE`, errors per second	Frequency of maximum size exceeded errors in messages received by the target
`serverless_eventrouter_target_execution_time_milliseconds` `DGAUGE`, milliseconds	Message processing time
`serverless_eventrouter_target_inflight` `DGAUGE`, count	Number of targets that are currently busy
`serverless_eventrouter_target_retry_per_second` `DGAUGE`, sends per second	Frequency of retry attempts to send messages to the target
`serverless_eventrouter_target_throttled_per_second` `DGAUGE`, messages per second	Frequency of messages not processed due to exceeding a quota or limit