hash

Documentation

Index

• func Crc32Hash(key string) uint32
• func SimpleHash(key string) uint32
• func SimpleHashExp(key string, sed uint32) uint32
• type DistributedMap
  • func New(replicas int, hashFun Hash) *DistributedMap
  • func (d *DistributedMap) AddNodes(nodes ...string)
  • func (d *DistributedMap) GetNodeAddr(key string) (string, error)
• type Hash

Functions

func Crc32Hash

func Crc32Hash(key string) uint32

func SimpleHash

func SimpleHash(key string) uint32

基础hash功能

func SimpleHashExp

func SimpleHashExp(key string, sed uint32) uint32

基础hash 选择节点实现

Types

type DistributedMap

type DistributedMap struct {
	// contains filtered or unexported fields
}

func New

func New(replicas int, hashFun Hash) *DistributedMap

func (*DistributedMap) AddNodes

func (d *DistributedMap) AddNodes(nodes ...string)

添加节点s

func (*DistributedMap) GetNodeAddr

func (d *DistributedMap) GetNodeAddr(key string) (string, error)

获取当前key在那台节点上

type Hash

type Hash func(key string) uint32