mntr

package
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Published: Nov 6, 2019 License: Apache-2.0 Imports: 11 Imported by: 0

Documentation

Overview

Package mntr fetches metrics from ZooKeeper by using the mntr command which was added to ZooKeeper in version 3.4.0.

See the mntr command documentation at https://zookeeper.apache.org/doc/trunk/zookeeperAdmin.html

ZooKeeper mntr Command Output

$ echo mntr | nc localhost 2185
zk_version	3.4.8--1, built on 02/06/2016 03:18 GMT
zk_avg_latency	0
zk_max_latency	0
zk_min_latency	0
zk_packets_received	10
zk_packets_sent	9
zk_num_alive_connections	1
zk_outstanding_requests	0
zk_server_state	standalone
zk_znode_count	4
zk_watch_count	0
zk_ephemerals_count	0
zk_approximate_data_size	27
zk_open_file_descriptor_count	25
zk_max_file_descriptor_count	1048576

Index

Constants

This section is empty.

Variables

This section is empty.

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(r mb.ReporterV2) error

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

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