org.elasticsearch.search.aggregations.bucket

Class BucketUtils

java.lang.Object

org.elasticsearch.search.aggregations.bucket.BucketUtils

public class BucketUtils
extends Object

Helper functions for common Bucketing functions

Constructor Summary

Constructors

Constructor and Description
BucketUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static int	suggestShardSideQueueSize(int finalSize, int numberOfShards) Heuristic used to determine the size of shard-side PriorityQueues when selecting the top N terms from a distributed index.

Methods inherited from class java.lang.Object

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

Constructor Detail

BucketUtils

public BucketUtils()

Method Detail

suggestShardSideQueueSize

public static int suggestShardSideQueueSize(int finalSize,
                            int numberOfShards)

Heuristic used to determine the size of shard-side PriorityQueues when selecting the top N terms from a distributed index.

Parameters:

finalSize - The number of terms required in the final reduce phase.

numberOfShards - The number of shards being queried.

Returns:

A suggested default for the size of any shard-side PriorityQueues