v3.3.27+incompatible Latest Latest

This package is not in the latest version of its module.

Go to latest
Published: Oct 15, 2021 License: Apache-2.0 Imports: 7 Imported by: 481



Package stats defines a standard interface for etcd cluster statistics.



This section is empty.


This section is empty.


This section is empty.


type CountsStats

type CountsStats struct {
	Fail    uint64 `json:"fail"`
	Success uint64 `json:"success"`

CountsStats encapsulates raft statistics.

type FollowerStats

type FollowerStats struct {
	Latency LatencyStats `json:"latency"`
	Counts  CountsStats  `json:"counts"`


FollowerStats encapsulates various statistics about a follower in an etcd cluster

func (*FollowerStats) Fail

func (fs *FollowerStats) Fail()

Fail updates the FollowerStats with an unsuccessful send

func (*FollowerStats) Succ

func (fs *FollowerStats) Succ(d time.Duration)

Succ updates the FollowerStats with a successful send

type LatencyStats

type LatencyStats struct {
	Current float64 `json:"current"`
	Average float64 `json:"average"`

	StandardDeviation float64 `json:"standardDeviation"`
	Minimum           float64 `json:"minimum"`
	Maximum           float64 `json:"maximum"`
	// contains filtered or unexported fields

LatencyStats encapsulates latency statistics.

type LeaderStats

type LeaderStats struct {
	// contains filtered or unexported fields

LeaderStats is used by the leader in an etcd cluster, and encapsulates statistics about communication with its followers

func NewLeaderStats

func NewLeaderStats(id string) *LeaderStats

NewLeaderStats generates a new LeaderStats with the given id as leader

func (*LeaderStats) Follower

func (ls *LeaderStats) Follower(name string) *FollowerStats

func (*LeaderStats) JSON

func (ls *LeaderStats) JSON() []byte

type RequestStats

type RequestStats struct {
	SendingTime time.Time
	Size        int

RequestStats represent the stats for a request. It encapsulates the sending time and the size of the request.

type ServerStats

type ServerStats struct {
	// contains filtered or unexported fields

ServerStats encapsulates various statistics about an EtcdServer and its communication with other members of the cluster

func NewServerStats

func NewServerStats(name, id string) *ServerStats

func (*ServerStats) BecomeLeader

func (ss *ServerStats) BecomeLeader()

func (*ServerStats) JSON

func (ss *ServerStats) JSON() []byte

func (*ServerStats) RecvAppendReq

func (ss *ServerStats) RecvAppendReq(leader string, reqSize int)

RecvAppendReq updates the ServerStats in response to an AppendRequest from the given leader being received

func (*ServerStats) SendAppendReq

func (ss *ServerStats) SendAppendReq(reqSize int)

SendAppendReq updates the ServerStats in response to an AppendRequest being sent by this server

type Stats

type Stats interface {
	// SelfStats returns the struct representing statistics of this server
	SelfStats() []byte
	// LeaderStats returns the statistics of all followers in the cluster
	// if this server is leader. Otherwise, nil is returned.
	LeaderStats() []byte
	// StoreStats returns statistics of the store backing this EtcdServer
	StoreStats() []byte

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL