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监控指标

GOST内部通过Prometheus的指标(Metrics)来提供监控数据。

开启监控

gost -L :8080 -metrics=:9000
services:
- name: service-0
  addr: ":8080"
  handler:
    type: auto
  listener:
    type: tcp

metrics:
  addr: :9000
  path: /metrics
metrics.addr (string)
监控指标HTTP API服务地址
metrics.path (string, default=/metrics)
API路径

通过metrics参数来开启监控指标记录,默认不开启。

开启之后可以通过http://localhost:9000/metrics地址查看到指标数据。

指标示例

gost_chain_errors_total{chain="chain-0",host="host-0"} 1

gost_service_handler_errors_total{host="host-0",service="service-0"} 1

gost_service_request_duration_seconds_bucket{host="host-0",service="service-0",le="0.005"} 0
gost_service_request_duration_seconds_bucket{host="host-0",service="service-0",le="0.01"} 0
gost_service_request_duration_seconds_bucket{host="host-0",service="service-0",le="0.025"} 0
gost_service_request_duration_seconds_bucket{host="host-0",service="service-0",le="0.05"} 0
gost_service_request_duration_seconds_bucket{host="host-0",service="service-0",le="0.1"} 0
gost_service_request_duration_seconds_bucket{host="host-0",service="service-0",le="0.25"} 1
gost_service_request_duration_seconds_bucket{host="host-0",service="service-0",le="0.5"} 1
gost_service_request_duration_seconds_bucket{host="host-0",service="service-0",le="1"} 1
gost_service_request_duration_seconds_bucket{host="host-0",service="service-0",le="2.5"} 1
gost_service_request_duration_seconds_bucket{host="host-0",service="service-0",le="5"} 1
gost_service_request_duration_seconds_bucket{host="host-0",service="service-0",le="10"} 1
gost_service_request_duration_seconds_bucket{host="host-0",service="service-0",le="15"} 1
gost_service_request_duration_seconds_bucket{host="host-0",service="service-0",le="30"} 2
gost_service_request_duration_seconds_bucket{host="host-0",service="service-0",le="60"} 2
gost_service_request_duration_seconds_bucket{host="host-0",service="service-0",le="+Inf"} 2
gost_service_request_duration_seconds_sum{host="host-0",service="service-0"} 15.172895206
gost_service_request_duration_seconds_count{host="host-0",service="service-0"} 2

gost_service_requests_in_flight{host="host-0",service="service-0"} 0

gost_service_requests_total{host="host-0",service="service-0"} 2

gost_service_transfer_input_bytes_total{host="host-0",service="service-0"} 1018

gost_service_transfer_output_bytes_total{host="host-0",service="service-0"} 7327

gost_services{host="host-0"} 1

指标说明

gost_services (type=gauge)
运行的服务数量
gost_service_requests_total (type=counter)
服务处理的请求总数
gost_service_transfer_input_bytes_total (type=counter)
服务接收到的数据字节数
gost_service_transfer_output_bytes_total (type=counter)
服务发送出的数据字节数
gost_service_requests_in_flight (type=gauge)
服务当前正在处理中的请求数
gost_service_request_duration_seconds (type=histogram)
服务请求处理的时长分布
gost_service_handler_errors_total (type=counter)
服务处理请求失败数
gost_chain_errors_total (type=counter)
转发链本身建立连接失败数

Grafana Dashboard

你可以使用以下的Dashboard来呈现监控指标数据

https://grafana.com/grafana/dashboards/16037

GOST Dashboard