[Yandex Cloud documentation](../index.md) > [Yandex IoT Core](index.md) > Monitoring metrics

# Yandex Monitoring metric reference

{% note warning %}

Yandex IoT Core is no longer available to new users. 

Current users can create resources until November 1, 2026. Afterwards, the service will go read-only and cease to operate on December 1, 2026. For more information on the timing and procedure, see [Service shutdown](sunset.md).

{% endnote %}

This section describes Yandex IoT Core metrics exported to [Monitoring](../monitoring/index.md).

The `name` label contains the metric name.

All Yandex IoT Core metrics share the `service=iot-core` label.

## Registry metrics {#registry-metrics}

Labels shared by all registry metrics:

Label | Value
----|----
registry | [Registry](concepts/index.md#registry) ID

Name<br>Type, units | Description
----|----
`iot.registry.billing_messages_per_second`<br/>`DGAUGE`, units per second | Number of billable messages per second
`iot.registry.connections`<br/>`DGAUGE`, count | Number of active device connections
`iot.registry.sent_bytes_per_second`<br/>`DGAUGE`, bytes per second | Data transmit rate
`iot.registry.received_bytes_per_second`<br/>`DGAUGE`, bytes per second | Data receive rate

## Broker metrics {#broker-metrics}

Labels shared by all broker metrics:

Label | Value
----|----
broker | [Broker](concepts/index.md#broker) ID

Name<br>Type, units | Description
----|----
`iot.broker.billing_messages_per_second`<br/>`DGAUGE`, units per second | Number of billable messages per second
`iot.broker.connections`<br/>`DGAUGE`, count | Number of active device connections
`iot.broker.sent_bytes_per_second`<br/>`DGAUGE`, bytes per second | Data transmit rate
`iot.broker.received_bytes_per_second`<br/>`DGAUGE`, bytes per second | Data receive rate