Package org.apache.druid.server.router

Class ConsistentHashAvaticaConnectionBalancer

java.lang.Object

org.apache.druid.server.router.ConsistentHashAvaticaConnectionBalancer

All Implemented Interfaces:

AvaticaConnectionBalancer

public class ConsistentHashAvaticaConnectionBalancer
extends Object
implements AvaticaConnectionBalancer

Constructor Summary

Constructors

Constructor	Description
ConsistentHashAvaticaConnectionBalancer()

Method Summary

Modifier and Type	Method	Description
Server	pickServer(Collection<Server> servers, String connectionId)

Methods inherited from class java.lang.Object

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

Constructor Details

ConsistentHashAvaticaConnectionBalancer

public ConsistentHashAvaticaConnectionBalancer()

Method Details

pickServer

public Server pickServer(Collection<Server> servers,
 String connectionId)

Specified by:

pickServer in interface AvaticaConnectionBalancer

Parameters:

servers - Servers to balance across

connectionId - Connection ID to be balanced

Returns:

Server that connectionId should be assigned to. The process for choosing a server must be deterministic and sticky (with a fixed set of servers, the same connectionId should always be assigned to the same server)