https://github.com/andy2046/failured

Adaptive Accrual Failure Detector
https://github.com/andy2046/failured

accrual-failure-detector adaptive failure-detection

Last synced: 4 months ago
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Adaptive Accrual Failure Detector

• Host: GitHub
• URL: https://github.com/andy2046/failured
• Owner: andy2046
• License: bsd-3-clause
• Created: 2021-07-26T10:11:01.000Z (over 4 years ago)
• Default Branch: main
• Last Pushed: 2021-08-02T03:08:02.000Z (over 4 years ago)
• Last Synced: 2025-04-13T00:14:56.990Z (8 months ago)
• Topics: accrual-failure-detector, adaptive, failure-detection
• Language: Go
• Homepage: https://github.com/andy2046/failured
• Size: 29.3 KB
• Stars: 13
• Watchers: 1
• Forks: 2
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Adaptive Accrual Failure Detector

[![Documentation](https://godoc.org/github.com/andy2046/failured?status.svg)](http://godoc.org/github.com/andy2046/failured)

[![GitHub issues](https://img.shields.io/github/issues/andy2046/failured.svg)](https://github.com/andy2046/failured/issues)

[![license](https://img.shields.io/github/license/andy2046/failured.svg)](https://github.com/andy2046/failured/LICENSE)

[![Release](https://img.shields.io/github/release/andy2046/failured.svg?label=Release)](https://github.com/andy2046/failured/releases)

----

## There is NO perfect failure detector.

## It's a trade-off between completeness and accuracy.

## Failure detection is not a binary value.

This is an implementation of a failure detector that uses

an adaptive accrual algorithm. The theory of this failure detector is taken from the paper

[A New Adaptive Accrual Failure Detector for Dependable Distributed Systems](https://dl.acm.org/citation.cfm?id=1244129).

This failure detector is useful for detecting connections failures between nodes in distributed systems.

for documentation, view the [API reference](./doc.md)

## Install

```

go get github.com/andy2046/failured

```

## Usage

```go

package main

import (

	"time"

	"github.com/andy2046/failured"

)

func main() {

	fd := failured.New()

	closer := make(chan struct{})

	// call RegisterHeartbeat every second

	go func() {

		for {

			select {

			case <-closer:

				return

			default:

			}

			time.Sleep(time.Second)

			fd.RegisterHeartbeat()

		}

	}()

	time.Sleep(3 * time.Second)

	close(closer)

	// check FailureProbability

	p := fd.FailureProbability()

	println("failure probability is", p)

}

```