下面是一个完整的Golang代码示例,演示了如何使用etcd_server_proposals_failed_total counter指标。 packagemainimport("context""fmt""log""time""go.etcd.io/etcd/clientv3")funcmain(){cli,err:=clientv3.New(clientv3.Config{Endpoints:[]string{"localhost:2379"},DialTimeout:5*time.Second,})iferr!=nil...