Prometheus
开源的监控和告警系统，专为云原生设计。
核心功能
多维数据模型PromQL 查询服务发现告警规则
示例代码
go
1import "github.com/prometheus/client_golang/prometheus"2 3var requestCounter = prometheus.NewCounterVec(4 prometheus.CounterOpts{5 Name: "http_requests_total",6 Help: "Total HTTP requests",7 },8 []string{"method", "path", "status"},9)10 11func init() {12 prometheus.MustRegister(requestCounter)13}