Package org.elasticsearch.node

Class AdaptiveSelectionStats

java.lang.Object

org.elasticsearch.node.AdaptiveSelectionStats

All Implemented Interfaces:

Writeable, ToXContent, ToXContentFragment

public class AdaptiveSelectionStats
extends Object
implements Writeable, ToXContentFragment

Class representing statistics about adaptive replica selection. This includes EWMA of queue size, service time, and response time, as well as outgoing searches to each node and the "rank" based on the ARS formula.

Nested Class Summary

Nested classes/interfaces inherited from interface org.elasticsearch.common.xcontent.ToXContent

ToXContent.DelegatingMapParams, ToXContent.MapParams, ToXContent.Params

Nested classes/interfaces inherited from interface org.elasticsearch.common.io.stream.Writeable

Writeable.Reader<V>, Writeable.Writer<V>

Field Summary

Fields inherited from interface org.elasticsearch.common.xcontent.ToXContent

EMPTY_PARAMS

Constructor Summary

Constructors

Constructor	Description
AdaptiveSelectionStats(Map<String,Long> clientConnections, Map<String,ResponseCollectorService.ComputedNodeStats> nodeComputedStats)
AdaptiveSelectionStats(StreamInput in)

Method Summary

Modifier and Type	Method	Description
Map<String,ResponseCollectorService.ComputedNodeStats>	getComputedStats()	Returns a map of node id to the computed stats
Map<String,Long>	getOutgoingConnections()	Returns a map of node id to the outgoing search requests to that node
Map<String,Double>	getRanks()	Returns a map of node id to the ranking of the nodes based on the adaptive replica formula
XContentBuilder	toXContent(XContentBuilder builder, ToXContent.Params params)
void	writeTo(StreamOutput out)	Write this into the StreamOutput.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.elasticsearch.common.xcontent.ToXContentFragment

isFragment

Constructor Detail

AdaptiveSelectionStats

public AdaptiveSelectionStats(Map<String,Long> clientConnections,
                              Map<String,ResponseCollectorService.ComputedNodeStats> nodeComputedStats)

AdaptiveSelectionStats

public AdaptiveSelectionStats(StreamInput in)
                       throws IOException

Throws:

IOException

Method Detail

writeTo

public void writeTo(StreamOutput out)
             throws IOException

Description copied from interface: Writeable

Write this into the StreamOutput.

Specified by:

writeTo in interface Writeable

Throws:

IOException

toXContent

public XContentBuilder toXContent(XContentBuilder builder,
                                  ToXContent.Params params)
                           throws IOException

Specified by:

toXContent in interface ToXContent

Throws:

IOException

getOutgoingConnections

public Map<String,Long> getOutgoingConnections()

Returns a map of node id to the outgoing search requests to that node

getComputedStats

public Map<String,ResponseCollectorService.ComputedNodeStats> getComputedStats()

Returns a map of node id to the computed stats

getRanks

public Map<String,Double> getRanks()

Returns a map of node id to the ranking of the nodes based on the adaptive replica formula