org.elasticsearch.search.aggregations.bucket

Class BucketUtils

java.lang.Object

org.elasticsearch.search.aggregations.bucket.BucketUtils

public final class BucketUtils
extends java.lang.Object

Helper functions for common Bucketing functions

Method Summary

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

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