Grafana CloudFront CloudWatch Dashboard
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本文缩写（英文全称与中文含义）
| 缩写 |
英文全称／名称 |
中文含义 |
| TLS |
Transport Layer Security |
传输层安全协议 |
| URL |
Uniform Resource Locator |
统一资源定位符，通常指访问地址 |
| WAF |
Web Application Firewall |
Web 应用防火墙 |
Links#
1. Dashboard Rows#
| Row |
CloudWatch Metrics |
Statistic |
Display |
| Overview |
Requests |
Sum |
request trend by distribution |
| Overview |
TotalErrorRate |
Average |
total error rate |
| Overview |
4xxErrorRate, 5xxErrorRate |
Average |
client/server error split |
| Overview |
CacheHitRate |
Average |
cache efficiency |
| Drilldown |
OriginLatency |
p95 / p99 |
origin performance |
| Drilldown |
BytesDownloaded, BytesUploaded |
Sum |
bandwidth |
| Capacity |
requests and bandwidth trend |
Sum |
growth / cost |
| Debug |
origin latency and 5xx spikes |
p95 / Average |
origin troubleshooting |
2. Notes#
CloudFront 基础 CloudWatch metrics 不覆盖 TLS 到期或 URL 级诊断；这些问题需要证书监控、访问日志等额外信号。
CloudFront metrics 通常在 us-east-1 查询。
TLS expiry、URL 级别错误、WAF rule 明细不靠基础 CloudWatch metrics 解决。