topology_description:
type: Sharded
servers:
-
address: g:27017
avg_rtt_ms: 5
type: Mongos
-
address: h:27017
avg_rtt_ms: 35
type: Mongos
operation: read
read_preference:
mode: Secondary
tag_sets:
- data_center: nyc
suitable_servers:
- *1
- *2
in_latency_window:
- *1