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{
"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": "Primary"
},
"suitable_servers": [
{
"address": "g:27017",
"avg_rtt_ms": 5,
"type": "Mongos"
},
{
"address": "h:27017",
"avg_rtt_ms": 35,
"type": "Mongos"
}
],
"in_latency_window": [
{
"address": "g:27017",
"avg_rtt_ms": 5,
"type": "Mongos"
}
]
}