server

Documentation

Overview

Package server fetches metrics from ZooKeeper by using the srvr command

See the srvr command documentation at https://zookeeper.apache.org/doc/current/zookeeperAdmin.html

ZooKeeper srvr Command Output

  $ echo srvr | nc localhost 2181
	Zookeeper version: 3.4.13-2d71af4dbe22557fda74f9a9b4309b15a7487f03, built on 06/29/2018 04:05 GMT

Latency min/avg/max: 1/2/3 Received: 46 Sent: 45 Connections: 1 Outstanding: 0 Zxid: 0x700601132 Mode: standalone Node count: 4 Proposal sizes last/min/max: -3/-999/-1

Index

• func New(base mb.BaseMetricSet) (mb.MetricSet, error)
• type MetricSet
  • func (m *MetricSet) Fetch(reporter mb.ReporterV2) error

Functions

func New

func New(base mb.BaseMetricSet) (mb.MetricSet, error)

New creates new instance of MetricSet.

Types

type MetricSet

type MetricSet struct {
	mb.BaseMetricSet
}

MetricSet for fetching ZooKeeper health metrics.

func (*MetricSet) Fetch

func (m *MetricSet) Fetch(reporter mb.ReporterV2) error

Fetch fetches metrics from ZooKeeper by making a tcp connection to the command port and sending the "srvr" command and parsing the output.