topology_description:
  type: ReplicaSetWithPrimary
  servers:
    - address: b:27017
      avg_rtt_ms: 5
      type: RSSecondary
      tags:
        data_center: nyc
    - &2
      address: c:27017
      avg_rtt_ms: 100
      type: RSSecondary
      tags:
        data_center: nyc
    - &3
      address: a:27017
      avg_rtt_ms: 25
      type: RSPrimary
      tags:
        data_center: nyc

operation: read

read_preference:
  mode: Nearest
  tag_sets:
    - data_center: nyc

deprioritized_servers:
  - address: "b:27017"
    avg_rtt_ms: 50
    type: RSPrimary
    tags:
      data_center: nyc

suitable_servers:
  - *2
  - *3

in_latency_window:
  - *3
