一个很简单的 golang 一致性hash 库consistent
使用示例：
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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)
}
项目地址： lafikl/consistent