avail

Documentation

Index

• Variables
• func RandStringBytes(n int) string
• type Detector
  • func NewDetector(detectInterval time.Duration, detectTimeout time.Duration, partitionCount int) Detector

Variables

var (
	DetectTimes = promauto.NewCounter(prometheus.CounterOpts{
		Name: "detect_times",
		Help: "The times of availability detecting",
	})

	ReadFailureTimes = promauto.NewCounter(prometheus.CounterOpts{
		Name: "read_failure_detect_times",
		Help: "The failure times of read detecting",
	})

	WriteFailureTimes = promauto.NewCounter(prometheus.CounterOpts{
		Name: "write_failure_detect_times",
		Help: "The failure times of write detecting",
	})

	ReadLatency = promauto.NewGauge(prometheus.GaugeOpts{
		Name: "read_latency_ms",
		Help: "The latency of read data in milliseconds",
	})

	WriteLatency = promauto.NewGauge(prometheus.GaugeOpts{
		Name: "write_latency_ms",
		Help: "The latency of write data in milliseconds",
	})
)

Functions

func RandStringBytes

func RandStringBytes(n int) string

Generate a random string.

Types

type Detector

type Detector interface {
	Run(tom *tomb.Tomb) error
}

Detector periodically checks the service availability of the Pegasus cluster.

func NewDetector

func NewDetector(detectInterval time.Duration,
	detectTimeout time.Duration, partitionCount int) Detector

NewDetector returns a service-availability detector.