5 Observability

This chapter lists the observability changes in release 24.3.x.

5.1 Metrics

This section lists the added or updated metrics in release 24.3.x. For more information about metrics, see Oracle Communications Cloud Native Core, Converged Policy User Guide.

Release 24.3.0

The following metrics are added in this release:
  • Added following metrics to support "PCRF Core Pod Congestion Control" feature:
    • Added the metric occnp_congestion_http_pending_request_active_counter to Pod Congestion Metrics.
    • Added the following metrics to PCRF Core Metrics:
      • occnp_http_congestion_message_reject_total
      • occnp_diam_congestion_message_reject_total
      • occnp_http_pending_requests_total
      • occnp_diam_pending_requests_total
      • occnp_congestion_diam_pending_request_active_counter
      • occnp_congestion_diam_pending_request_end_to_end_id_map_size
      • occnp_congestion_DiamMsgBuffer_queue_msg_count
  • Added the metric occnp_http_congestion_message_reject_total in UE Service metrics to support "UE Service Congestion Control" feature.
  • Added following metrics to support for "Timer Metrics in Diameter Gateway service":
    • occnp_diam_response_latency_seconds
    • occnp_diam_service_overall_processing_time_seconds
  • Added the following metrics to support "lookup in PDS tables using Primary Key" feature:
    • Added the metric pds_location_info_db_search_total to Policy DS metrics.
    • Added the metric occnp_pds_location_info_notification_total to AM Service metrics.
    • Added the metric occnp_pds_location_info_notification_total to UE Service metrics.
  • Added the following signaling and DB access processing latency histogram metrics to PCRF Core that are used to monitor the latency in PCRF Core call flows such as, Diameter Gateway response time for the incoming requests, HTTP incoming and outgoing connections, and DB request processing:
    • occnp_diam_response_local_processing_latency_seconds
    • occnp_http_out_conn_processing_latency_seconds
    • occnp_http_in_conn_processing_latency_seconds
  • Added the following signaling and DB access processing latency histogram metrics to PDS metrics that are used to monitor the latency in PDS DB processing, HTTP incoming and outgoing connections:
    • occnp_db_processing_latency_seconds
    • occnp_http_in_conn_processing_latency_seconds
    • occnp_http_out_conn_processing_latency_seconds
  • Added occnp_late_processing_rejection_total metric to SM service metrics to support "Stale request cleanup functionality for SM service" feature.
  • Added the following metrics to PCRF Core metrics to support "Stale request cleanup functionality for PCRF Core" feature:
    • occnp_stale_diam_request_cleanup_total
    • occnp_stale_http_request_cleanup_total
  • Added the following metrics to TLS metrics to support "TLS in Diameter Gateway" feature:
    • diam_conn_network
    • diam_failed_conn_network
    • diam_conn_network_responder
    • dgw_tls_cert_expiration_seconds
    Added the following metrics to TLS metrics to support "TLS using HTTPs" feature:
    • oc_ingressgateway_incoming_tls_connections
    • oc_egressgateway_outgoing_tls_connections
    • security_cert_x509_expiration_seconds

5.2 Alerts

This section lists the added or updated alerts in release 24.3.x. For more information about alerts, see Alerts section in Oracle Communications Cloud Native Core, Converged Policy User Guide.

Release 24.3.0

The following alerts are added or updated in this release:
  • Added the following alerts to support stale request cleanup functionality for PCRF Core:
    • STALE_DIAMETER_REQUEST_CLEANUP_CRITICAL
    • STALE_DIAMETER_REQUEST_CLEANUP_MAJOR
    • STALE_DIAMETER_REQUEST_CLEANUP_MINOR
  • Added the following alerts for support of TLS in Diameter Gateway feature:
    • DGW_TLS_CONNECTION_FAILURE
    • DIAM_GATEWAY_CERTIFICATE_EXPIRY_CRITICAL
    • DIAM_GATEWAY_CERTIFICATE_EXPIRY_MAJOR
    • DIAM_GATEWAY_CERTIFICATE_EXPIRY_MINOR
  • Added the following alerts for support of TLS using HTTPs feature:
    • CERTIFICATE_EXPIRY_CRITICAL
    • CERTIFICATE_EXPIRY_MAJOR
    • CERTIFICATE_EXPIRY_MINOR
    • POLICY_CONNECTION_FAILURE

5.3 KPIs

This section lists the added or updated KPIs in release 24.3.x. For more information about KPIs, see KPIs section in Oracle Communications Cloud Native Core, Converged Policy User Guide.

Release 24.3.0

There are no updates to KPIs in this release.