consistent

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A Go library that implements Consistent Hashing and Consistent Hashing With Bounded Loads.

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A Go library that implements Consistent Hashing and Consistent Hashing With Bounded Loads.

Package consistent

A Golang implementation of Consistent Hashing and Consistent Hashing With Bounded Loads.

https://en.wikipedia.org/wiki/Consistent_hashing

https://research.googleblog.com/2017/04/consistent-hashing-with-bounded-loads.html

Consistent Hashing Example


package main

import (
	"log"
	"github.com/lafikl/consistent"
)

func main() {
	c := consistent.New()

	// adds the hosts to the ring
	c.Add("127.0.0.1:8000")
	c.Add("92.0.0.1:8000")

	// Returns the host that owns `key`.
	//
	// As described in https://en.wikipedia.org/wiki/Consistent_hashing
	//
	// It returns ErrNoHosts if the ring has no hosts in it.
	host, err := c.Get("/app.html")
	if err != nil {
		log.Fatal(err)
	}

	log.Println(host)
}