org.apache.druid.server.router

Interface AvaticaConnectionBalancer

All Known Implementing Classes:

ConsistentHashAvaticaConnectionBalancer, RendezvousHashAvaticaConnectionBalancer

public interface AvaticaConnectionBalancer

An AvaticaConnectionBalancer balances Avatica connections across a collection of servers.

Method Summary

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

Method Detail

pickServer

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

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)