slowlog

Documentation

Overview

Package slowlog runs built-in QAN Agent for MySQL slow log.

Index

• type Change
• type Params
• type SlowLog
  • func New(params *Params, l *logrus.Entry) (*SlowLog, error)
  • func (s *SlowLog) Changes() <-chan Change
  • func (s *SlowLog) Run(ctx context.Context)

Types

type Change

type Change struct {
	Status  inventorypb.AgentStatus
	Request *qanpb.CollectRequest
}

Change represents Agent status change _or_ QAN collect request.

type Params

type Params struct {
	DSN               string
	AgentID           string
	SlowLogFilePrefix string // for development and testing
}

Params represent Agent parameters.

type SlowLog

type SlowLog struct {
	// contains filtered or unexported fields
}

SlowLog extracts performance data from MySQL slow log.

func New

func New(params *Params, l *logrus.Entry) (*SlowLog, error)

New creates new SlowLog QAN service.

func (*SlowLog) Changes

func (s *SlowLog) Changes() <-chan Change

Changes returns channel that should be read until it is closed.

func (*SlowLog) Run

func (s *SlowLog) Run(ctx context.Context)

Run extracts performance data and sends it to the channel until ctx is canceled.