Kong Event Gateway metrics

kong_keg_kafka_acl_attempts_count

Description: Counts the results of every ACL attempt

Labels:

• resource_type: The type of Kafka resource being accessed (Possible values: transactional_id, group, topic, cluster)
• result: The result of the ACL check (allowed or denied) (Possible values: allowed, denied)

kong_keg_kafka_backend_connection_error_count

Description: The number of connection errors to the backend cluster

Labels:

• origin: The origin of the connection error (Possible values: io, peer, local)

kong_keg_kafka_backend_roundtrip_duration_seconds

Description: The time spent communicating with backend cluster (send request and receive response)

Labels:

No labels documented.

kong_keg_kafka_connections_active

Description: The number of active proxied connections

Labels:

No labels documented.

kong_keg_kafka_metadata_update_duration_seconds

Description: The time to update the metadata from the backend broker

Labels:

No labels documented.

kong_keg_kafka_namespace_topic_conflict

Description: Indicates whether the namespace topic mapping encountered conflicts (1) or not (0).

Labels:

No labels documented.

kong_keg_kafka_policy_invocation_count

Description: The number of policy invocation for policies. This includes both successful and failed invocations

Labels:

• result: The result of the operation (success or failure) (Possible values: success, fail)

kong_keg_kafka_policy_invocation_duration_ms

Description: The time to process a policy

Labels:

No labels documented.

kong_keg_kafka_proxy_total_duration_seconds

Description: The end-to-end time for the entire proxy operation

Labels:

No labels documented.

kong_keg_kafka_request_processing_duration_ms

Description: The time spent processing the received request before forwarding it to the backend cluster

Labels:

No labels documented.

kong_keg_kafka_request_received_count

Description: The number of requests coming from the client

Labels:

No labels documented.

kong_keg_kafka_request_sent_count

Description: The number of requests sent to the backend broker

Labels:

No labels documented.

kong_keg_kafka_response_processing_duration_ms

Description: The time spent processing the received response before forwarding it to the client

Labels:

No labels documented.

kong_keg_kafka_response_received_count

Description: The number of responses received from the backend broker

Labels:

No labels documented.

kong_keg_kafka_response_received_error_count

Description: The number of response messages received from the backend that contain at least one error. The error_code label represents the lowest error in the response

Labels:

• error_code: The lowest error code in the response

kong_keg_kafka_response_sent_count

Description: The number of responses sent by the proxy to the client

Labels:

No labels documented.

kong_keg_kafka_response_sent_error_count

Description: The number of response messages sent back to the client that contain at least one error.

Labels:

• error_code: The lowest error code in the response

kong_keg_kafka_schema_validation_attempt_count

Description: The number of attempts to validate schema. This includes both successful and failed calls

Labels:

• result: The result of the operation (success or failure) (Possible values: success, fail)

kong_keg_konnect_analytics_bytes_sent_count

Description: Total number of analytics bytes sent in binary websocket messages to the analytics endpoint

Labels:

No labels documented.

kong_keg_konnect_analytics_messages_sent_count

Description: Total number of analytics messages sent to the analytics endpoint

Labels:

No labels documented.

kong_keg_konnect_analytics_queue_dropped_count

Description: Number of events dropped from the queue because the max queue size was reached

Labels:

No labels documented.

kong_keg_konnect_analytics_queue_event_count

Description: Total number of events added to the queue

Labels:

No labels documented.

kong_keg_konnect_analytics_websocket_error_count

Description: Number of times an error occurred on the analytics websocket connection while sending or receiving messages

Labels:

No labels documented.

kong_keg_konnect_request_count

Description: The time to update the metadata from the upstream broker

Labels:

• konnect_api: The konnect api operation being performed (Possible values: fetch_config, update_dp_state)
• status_code: The status code of an http response (Possible values: 2xx, 3xx, 4xx, 5xx)

kong_keg_konnect_request_duration_seconds

Description: The time sending and receiving the response to a request to the upstream broker

Labels:

• konnect_api: The konnect api operation being performed (Possible values: fetch_config, update_dp_state)

kong_keg_lifecycle_component_ready

Description: Is a specific component ready, the global service being ready implies that all its components are ready

Labels:

• component: The component name

kong_keg_lifecycle_service_healthy

Description: Is the service healthy

Labels:

No labels documented.

kong_keg_lifecycle_service_ready

Description: Is the service ready

Labels:

No labels documented.

kong_keg_listener_connections_limit

Description: The number of allowed connections to the listener

Labels:

No labels documented.

The following labels are commonly used across multiple metrics:

Resource Identification

• topic: Kafka topic name
• listener: Listener identifier
• policy: Policy identifier

Konnect Integration

• policy_konnect_type: Policy type in Konnect
• policy_konnect_id: Policy ID in Konnect
• policy_konnect_name: Policy name in Konnect
• listener_konnect_id: Listener ID in Konnect
• listener_konnect_name: Listener name in Konnect

Operations

• chain_type: Type of policy chain (e.g., produce, consume)
• result: Result of operation (success, fail, allowed, denied)
• part: Part being processed (key, value)
• resource_type: ACL resource type (transactional_id, group, topic, cluster)
• origin: Connection error origin (io, peer, local)

HTTP/Network

• status_code: HTTP status code
• error_code: Kafka error code
• api_key: Kafka API key