@ExportPackage @PublicApi

Package com.yahoo.search.cluster

Standard searchers to compose in source search chains (those containing searchers specific for one source and which ends with a call to some provider) which calls a cluster of provider nodes. These searchers provides hashing and failover of the provider nodes.

Interface Summary

Interface	Description
NodeManager<T>	Must be implemented by a node collection which wants it's node state monitored by a ClusterMonitor

Class Summary

Class	Description
BaseNodeMonitor<T>	A node monitor is responsible for maintaining the state of a monitored node.
ClusterMonitor<T>	Monitors of a cluster of remote nodes.
ClusterSearcher<T>	Implements clustering (failover and load balancing) over a set of client connections to a homogenuos cluster of nodes.
Hasher<T>	A hasher load balances between a set of nodes, represented by object ids.
Hasher.NodeFactor<T>
Hasher.NodeList<T>
MonitorConfiguration	The configuration of a cluster monitor instance
PingableSearcher	A searcher to which we can send a ping to probe if it is alive
TrafficNodeMonitor<T>	This node monitor is responsible for maintaining the state of a monitored node.