metrics: make upper limit of RPC latency larger #997
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Signed-off-by: Jack Yu <[email protected]>
lance6716
approved these changes
Oct 6, 2023
| @@ -185,7 +185,7 @@ func initMetrics(namespace, subsystem string, constLabels prometheus.Labels) { | |||
| Subsystem: subsystem, | |||
| Name: "rpc_net_latency_seconds", | |||
| Help: "Bucketed histogram of time difference between TiDB and TiKV.", | |||
| Buckets: prometheus.ExponentialBuckets(5e-5, 2, 18), // 50us ~ 6.5s | |||
| Buckets: prometheus.ExponentialBuckets(5e-5, 2, 22), // 50us ~ 105s | |||
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for a network metrics, 50us may be too small 🤔
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For some extremely great network, maybe it is possible. 😅
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Close pingcap/tidb#47397.