# histogram metric. with Buckets <= 0.5, 5, 10, +inf
  - name:     'network_ping_ms'
    help:     'ping response in ms'
    type:     'histogram'
    topic:    'network/+/+/ping'
    parameters:
      buckets:  
      - 0.5
      - 5
      - 10
    label_configs:
      - source_labels:  ['__msg_topic__']
        target_label:   '__topic__'
      - source_labels:  ["__msg_topic__"]
        regex: "network/([^/]+).*"
        target_label: "network"
        replacement: '\1'
        action: "replace"
      - source_labels:  ["__msg_topic__"]
        regex: "network/[^/]+/([^/]+).*"
        target_label: "server"
        replacement: '\1'
        action: "replace"