Detecting node failures and the Phi accrual failure detector

• Akka

  33 12,931 9.4 Scala

  Build highly concurrent, distributed, and resilient message-driven applications on the JVM

  

In this section, I'm describing a python port of the akka implementation. The source is available at the following repo: samueleresca/phi-accrual-failure-detector. The code implements a φ accrual failure detector class called PhiAccrualFailureDetector.

• phi-accrual-failure-detector

  1 7 0.0 Python

  Phi φ Accrual Failure Detector implementation in Python, see: https://samueleresca.net/detecting-node-failures-and-the-phi-accrual-failure-detector/

This post goes through some concepts of the ϕ Accrual failure detector paper, and it describes a concrete python implementation available at the following link: phi-accrual-failure-detector. The code is using a fixed value (phi_value < threshold) to decide if a node/process is available or not. Still, the resulting φ value is dynamic, and the implementation can eventually consider assigning different values of availability depending on the resulting φ value.

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