plugin_attr:
  prometheus:                               # Plugin: prometheus attributes
    export_uri: /apisix/prometheus/metrics  # Set the URI for the Prometheus metrics endpoint.
    metric_prefix: apisix_                  # Set the prefix for Prometheus metrics generated by APISIX.
    enable_export_server: true              # Enable the Prometheus export server.
    export_addr:                            # Set the address for the Prometheus export server.
      ip: 127.0.0.1                         # Set the IP.
      port: 9091                            # Set the port.
    fetch_metric_timeout: 5                 # Only available in API7 Enterprise.
                                            # Timeout for fetching metrics in seconds. If exceeded, the API only returns 
                                            # basic metrics, including nginx_http_current_connections, http_requests_total, 
                                            # etcd_reachable, prometheus_disable, node_info, etcd_modify_indexes, 
                                            # shared_dict_capacity_bytes, and shared_dict_free_space_bytes.
    allow_degradation: false                # Only available in API7 Enterprise.
                                            # If true, allow degradation when shared memory is insufficient.
    degradation_pause_steps: [ 60 ]         # Only available in API7 Enterprise.
                                            # Time to skip the execution of the plugin in seconds when the plugin is in
                                            # degradation while reclaiming the shared memory used by the plugin.
    # metrics:                              # Create extra labels for metrics.
    #  http_status:                         # These metrics will be prefixed with `apisix_`.
    #    extra_labels:                      # Set the extra labels for http_status metrics.  
    #      - upstream_addr: $upstream_addr
    #      - status: $upstream_status
    #    expire: 0                          # The expiration time of metrics in seconds.
                                            # 0 means the metrics will not expire.
    #  http_latency:                        
    #    extra_labels:                      # Set the extra labels for http_latency metrics.
    #      - upstream_addr: $upstream_addr
    #    expire: 0                          # The expiration time of metrics in seconds.
                                            # 0 means the metrics will not expire.
    #  bandwidth:
    #    extra_labels:                      # Set the extra labels for bandwidth metrics.
    #      - upstream_addr: $upstream_addr
    #    expire: 0                          # The expiration time of metrics in seconds.
                                            # 0 means the metrics will not expire.
    # default_buckets:                      # Set the default buckets for the `http_latency` metrics histogram.
    #   - 10
    #   - 50
    #   - 100
    #   - 200
    #   - 500
    #   - 1000
    #   - 2000
    #   - 5000
    #   - 10000
    #   - 30000
    #   - 60000
    #   - 500
    # llm_latency_buckets:          # Available in API7 Enterprise from version 3.9.7.
    #                               # In version 3.9.14 and later, these buckets apply to both `type=total` and `type=ttft`, in milliseconds.
    #   - 100
    #   - 500
    #   - 1000
    #   - 5000
    # llm_prompt_tokens_buckets:    # Available in API7 Enterprise from version 3.9.14.
    #                               # Set the buckets for `apisix_llm_prompt_tokens_dist` histogram, in tokens.
    #   - 100
    #   - 1000
    #   - 10000
    # llm_completion_tokens_buckets: # Available in API7 Enterprise from version 3.9.14.
    #                                # Set the buckets for `apisix_llm_completion_tokens_dist` histogram, in tokens.
    #   - 100
    #   - 1000
    #   - 10000