Package org.apache.druid.server.router

Class ConsistentHasher

java.lang.Object

org.apache.druid.server.router.ConsistentHasher

public class ConsistentHasher
extends Object

Distributes objects across a set of node keys using consistent hashing. See https://en.wikipedia.org/wiki/Consistent_hashing Not thread-safe.

Constructor Summary

Constructors

Constructor	Description
ConsistentHasher(com.google.common.hash.HashFunction hashFunction)

Method Summary

Modifier and Type	Method	Description
String	findKey(byte[] obj)
void	updateKeys(Set<String> currentKeys)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

ConsistentHasher

public ConsistentHasher(com.google.common.hash.HashFunction hashFunction)

Method Details

updateKeys

public void updateKeys(Set<String> currentKeys)

findKey

public String findKey(byte[] obj)