envoy stats

envoy.yaml

stats_config:
  stats_matcher:
    exclusion_list:
      patterns:
        - suffix: upstream_cx_length_ms #statsd format
  histogram_bucket_settings:
    - match:
        suffix: upstream_rq_time
      # defaul buckets with 600000,1800000,3600000 dropped
      buckets: [0.5,1,5,10,25,50,100,250,500,1000,2500,5000,10000,30000,60000,300000]
    - match:
        suffix: upstream_cx_connect_ms
      # defaul buckets with everything above 250ms dropped because we impose a connection limit of 250ms
      buckets: [0.5,1,5,10,25,50,100,250]