{
"heartbeatFrequencyMS": 25000,
"in_latency_window": [
{
"address": "b:27017",
"avg_rtt_ms": 5,
"lastUpdateTime": 0,
"lastWrite": {
"lastWriteDate": {
"$numberLong": "2"
}
},
"maxWireVersion": 5,
"tags": {
"data_center": "nyc"
},
"type": "RSSecondary"
}
],
"read_preference": {
"maxStalenessSeconds": 150,
"mode": "Secondary",
"tag_sets": [
{
"data_center": "nyc"
}
]
},
"suitable_servers": [
{
"address": "b:27017",
"avg_rtt_ms": 5,
"lastUpdateTime": 0,
"lastWrite": {
"lastWriteDate": {
"$numberLong": "2"
}
},
"maxWireVersion": 5,
"tags": {
"data_center": "nyc"
},
"type": "RSSecondary"
},
{
"address": "c:27017",
"avg_rtt_ms": 50,
"lastUpdateTime": 1,
"lastWrite": {
"lastWriteDate": {
"$numberLong": "1000001"
}
},
"maxWireVersion": 5,
"tags": {
"data_center": "nyc"
},
"type": "RSSecondary"
}
],
"topology_description": {
"servers": [
{
"address": "a:27017",
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"lastUpdateTime": 0,
"lastWrite": {
"lastWriteDate": {
"$numberLong": "125002"
}
},
"maxWireVersion": 5,
"type": "RSPrimary"
},
{
"address": "b:27017",
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"lastUpdateTime": 0,
"lastWrite": {
"lastWriteDate": {
"$numberLong": "2"
}
},
"maxWireVersion": 5,
"tags": {
"data_center": "nyc"
},
"type": "RSSecondary"
},
{
"address": "c:27017",
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"lastUpdateTime": 1,
"lastWrite": {
"lastWriteDate": {
"$numberLong": "1000001"
}
},
"maxWireVersion": 5,
"tags": {
"data_center": "nyc"
},
"type": "RSSecondary"
},
{
"address": "d:27017",
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"lastUpdateTime": 0,
"lastWrite": {
"lastWriteDate": {
"$numberLong": "1"
}
},
"maxWireVersion": 5,
"tags": {
"data_center": "nyc"
},
"type": "RSSecondary"
},
{
"address": "e:27017",
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"lastUpdateTime": 0,
"lastWrite": {
"lastWriteDate": {
"$numberLong": "2"
}
},
"maxWireVersion": 5,
"tags": {
"data_center": "tokyo"
},
"type": "RSSecondary"
}
],
"type": "ReplicaSetWithPrimary"
}
}