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heartbeatFrequencyMS: 25000 # 25 seconds.
topology_description:
type: ReplicaSetWithPrimary
servers:
- &1
address: a:27017
type: RSPrimary
avg_rtt_ms: 50 # Too far.
lastUpdateTime: 1
lastWrite: {lastWriteDate: {$numberLong: "2"}}
maxWireVersion: 5
- &2
address: b:27017
type: RSSecondary
avg_rtt_ms: 5
lastUpdateTime: 125001
# Updated 125 sec after primary, so 125 sec stale.
# 125 sec stale + 25 sec heartbeat <= 150 sec maxStaleness.
lastWrite: {lastWriteDate: {$numberLong: "2"}}
maxWireVersion: 5
- &3
address: c:27017
type: RSSecondary
avg_rtt_ms: 5
lastUpdateTime: 125001
lastWrite: {lastWriteDate: {$numberLong: "1"}} # Too stale.
maxWireVersion: 5
read_preference:
mode: Nearest
maxStalenessSeconds: 150
suitable_servers:
- *1
- *2
in_latency_window:
- *2
|
