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tikv: update the screenshot of tikv-dashboard-flow-control. (#15799) (#…
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ti-chi-bot authored Dec 18, 2023
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2 changes: 1 addition & 1 deletion grafana-tikv-dashboard.md
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Expand Up @@ -183,7 +183,7 @@ title: TiKV 监控指标详解
### Flow Control

- Scheduler flow:每个 TiKV 实例的 scheduler 的实时流量
- Scheduler discard ratio:每个 TiKV 实例的 scheduler 的请求拒绝比率。如果该比例不为 0,则表明存在流控。当 Compaction pending bytes 超过阈值时,TiKV 会根据超过阈值部分的值,按比例线性增加 Scheduler discard ratio。被拒绝的请求将自动由客户端重试
- Scheduler discard ratio:每个 TiKV 实例的 scheduler 的请求拒绝比率。如果该比例大于 0,则表明存在流控。当 Compaction pending bytes 超过阈值时,TiKV 会根据超过阈值部分的值,按比例线性增加 Scheduler discard ratio。被拒绝的请求将自动由客户端重试
- Throttle duration:L0 文件过多并触发流控后,scheduler 执行请求的阻塞时间。如果存在统计数据,则表明存在流控
- Scheduler throttled CF:由于达到流控阈值,触发 RocksDB 限流的 CF
- Flow controller actions:由于达到流控阈值,触发 RocksDB 限流的原因
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