Index

A B C D E F G H I M N O P R S T U V W Z
All Classes and Interfaces|All Packages|Constant Field Values

A

AbstractExponentialHistogram - Class in org.elasticsearch.exponentialhistogram

Basic implementation for ExponentialHistogram with common functionality.

AbstractExponentialHistogram() - Constructor for class org.elasticsearch.exponentialhistogram.AbstractExponentialHistogram

add(double) - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramGenerator

Adds the given value to the histogram.

add(ExponentialHistogram) - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramMerger

Merges the given histogram into the current result.

addWithoutUpscaling(ExponentialHistogram) - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramMerger

Merges the given histogram into the current result, not upscaling it.

adjustBreaker(long) - Method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogramCircuitBreaker

Adjusts the circuit breaker, potentially throwing an exception if the limit is exceeded.

advance() - Method in interface org.elasticsearch.exponentialhistogram.BucketIterator

Moves the iterator to the next, non-empty bucket.

B

BUCKET_COUNTS_FIELD - Static variable in class org.elasticsearch.exponentialhistogram.ExponentialHistogramXContent

BUCKET_INDICES_FIELD - Static variable in class org.elasticsearch.exponentialhistogram.ExponentialHistogramXContent

bucketCount() - Method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram.Buckets

Returns the number of buckets.

BucketIterator - Interface in org.elasticsearch.exponentialhistogram

An iterator over the non-empty buckets of the histogram for either the positive or negative range.

build() - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramBuilder

builder(int, ExponentialHistogramCircuitBreaker) - Static method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

Create a builder for an exponential histogram with the given scale.

builder(ExponentialHistogram, ExponentialHistogramCircuitBreaker) - Static method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

Create a builder for an exponential histogram, which is initialized to copy the given histogram.

C

close() - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramBuilder

close() - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramGenerator

close() - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramMerger

collapseOverlappingBuckets(BucketIterator) - Method in class org.elasticsearch.exponentialhistogram.ZeroBucket

Collapses all buckets from the given iterator whose lower boundaries are smaller than the zero threshold.

collapseOverlappingBucketsForAll(BucketIterator...) - Method in class org.elasticsearch.exponentialhistogram.ZeroBucket

Collapses all buckets from the given iterators whose lower boundaries are smaller than the zero threshold.

compareExponentiallyScaledValues(long, int, long, int) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialScaleUtils

Compares the lower boundaries of two buckets, which may have different scales.

compareZeroThreshold(ZeroBucket) - Method in class org.elasticsearch.exponentialhistogram.ZeroBucket

Compares the zero threshold of this bucket with another one.

CompressedExponentialHistogram - Class in org.elasticsearch.exponentialhistogram

Implementation of a ExponentialHistogram optimized for a minimal memory footprint.

CompressedExponentialHistogram() - Constructor for class org.elasticsearch.exponentialhistogram.CompressedExponentialHistogram

computeIndex(double, int) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialScaleUtils

Provides the index of the bucket of the exponential histogram with the given scale that contains the provided value.

copy() - Method in interface org.elasticsearch.exponentialhistogram.CopyableBucketIterator

Creates a copy of this bucket iterator, pointing at the same bucket of the same range of buckets.

CopyableBucketIterator - Interface in org.elasticsearch.exponentialhistogram

A BucketIterator that can be copied.

count() - Method in class org.elasticsearch.exponentialhistogram.ZeroBucket

create(double, long) - Static method in class org.elasticsearch.exponentialhistogram.ZeroBucket

Creates a zero bucket from the given threshold represented as double.

create(int, ExponentialHistogramCircuitBreaker) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramGenerator

Creates a new instance with the specified maximum number of buckets.

create(int, ExponentialHistogramCircuitBreaker) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramMerger

Creates a new instance with the specified bucket limit.

create(int, ExponentialHistogramCircuitBreaker, double...) - Static method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

Creates a histogram representing the distribution of the given values with at most the given number of buckets.

create(long, int, long) - Static method in class org.elasticsearch.exponentialhistogram.ZeroBucket

Creates a zero bucket from the given threshold represented as exponentially scaled number.

create(ExponentialHistogramCircuitBreaker) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramMerger

Creates a new instance with the OpenTelemetry SDK default bucket limit of ExponentialHistogramMerger.MAX_HISTOGRAM_BUCKETS

createWithMaxScale(int, int, ExponentialHistogramCircuitBreaker) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramMerger

D

Distributions with Few Distinct Values - Search tag in package org.elasticsearch.exponentialhistogram

Section

E

empty() - Static method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

empty() - Static method in interface org.elasticsearch.exponentialhistogram.ReleasableExponentialHistogram

equals(Object) - Method in class org.elasticsearch.exponentialhistogram.AbstractExponentialHistogram

equals(Object) - Method in record class org.elasticsearch.exponentialhistogram.ExponentialHistogramUtils.HistogramPair

Indicates whether some other object is "equal to" this one.

equals(Object) - Method in class org.elasticsearch.exponentialhistogram.ZeroBucket

equals(ExponentialHistogram, ExponentialHistogram) - Static method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

Value-based equality for exponential histograms.

estimatedBucketCount(int) - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramBuilder

If known, sets the estimated total number of buckets to minimize unnecessary allocations.

estimateMax(ZeroBucket, ExponentialHistogram.Buckets, ExponentialHistogram.Buckets) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramUtils

Estimates the maximum value of the histogram based on the populated buckets.

estimateMin(ZeroBucket, ExponentialHistogram.Buckets, ExponentialHistogram.Buckets) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramUtils

Estimates the minimum value of the histogram based on the populated buckets.

estimateRank(ExponentialHistogram, double, boolean) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramQuantile

Estimates the rank of a given value in the distribution represented by the histogram.

estimateSum(BucketIterator, BucketIterator) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramUtils

Estimates the sum of all values of a histogram just based on the populated buckets.

ExponentialHistogram - Interface in org.elasticsearch.exponentialhistogram

Interface for implementations of exponential histograms adhering to the OpenTelemetry definition.

ExponentialHistogram.Buckets - Interface in org.elasticsearch.exponentialhistogram

Represents a bucket range of an ExponentialHistogram, either the positive or the negative range.

ExponentialHistogramBuilder - Class in org.elasticsearch.exponentialhistogram

A builder for building a ReleasableExponentialHistogram directly from buckets.

ExponentialHistogramCircuitBreaker - Interface in org.elasticsearch.exponentialhistogram

Interface for a memory-allocation circuit breaker used for ReleasableExponentialHistograms.

ExponentialHistogramGenerator - Class in org.elasticsearch.exponentialhistogram

Only intended for use in tests currently.

ExponentialHistogramMerger - Class in org.elasticsearch.exponentialhistogram

Allows accumulating multiple ExponentialHistogram into a single one while keeping the bucket count in the result below a given limit.

ExponentialHistogramQuantile - Class in org.elasticsearch.exponentialhistogram

Provides quantile estimation for ExponentialHistogram instances.

ExponentialHistogramQuantile() - Constructor for class org.elasticsearch.exponentialhistogram.ExponentialHistogramQuantile

ExponentialHistogramUtils - Class in org.elasticsearch.exponentialhistogram

ExponentialHistogramUtils() - Constructor for class org.elasticsearch.exponentialhistogram.ExponentialHistogramUtils

ExponentialHistogramUtils.HistogramPair - Record Class in org.elasticsearch.exponentialhistogram

ExponentialHistogramXContent - Class in org.elasticsearch.exponentialhistogram

Handles the serialization of an ExponentialHistogram to XContent.

ExponentialHistogramXContent() - Constructor for class org.elasticsearch.exponentialhistogram.ExponentialHistogramXContent

ExponentialScaleUtils - Class in org.elasticsearch.exponentialhistogram

A collection of utility methods for working with indices and scales of exponential bucket histograms.

ExponentialScaleUtils() - Constructor for class org.elasticsearch.exponentialhistogram.ExponentialScaleUtils

F

first() - Method in record class org.elasticsearch.exponentialhistogram.ExponentialHistogramUtils.HistogramPair

Returns the value of the first record component.

G

get() - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramMerger

Gets the current merged histogram without clearing this merger.

getAndClear() - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramGenerator

Returns the histogram representing the distribution of all accumulated values.

getAndClear() - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramMerger

Returns the merged histogram and clears this merger.

getLowerBucketBoundary(long, int) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialScaleUtils

Returns the lower boundary of the bucket with the given index and scale.

getMaximumScaleIncrease(long) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialScaleUtils

Returns the maximum permissible scale increase that does not cause the index to grow out of the [ExponentialHistogram.MIN_INDEX, ExponentialHistogram.MIN_INDEX] range.

getPointOfLeastRelativeError(long, int) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialScaleUtils

For a bucket with the given index, computes the point x in the bucket such that (x - l) / l equals (u - x) / u, where l is the lower bucket boundary and u is the upper bucket boundary.

getQuantile(ExponentialHistogram, double) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramQuantile

Estimates a quantile for the distribution represented by the given histogram.

getUpperBucketBoundary(long, int) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialScaleUtils

Returns the upper boundary of the bucket with the given index and scale.

H

Handling Explicit Bucket Histograms - Search tag in package org.elasticsearch.exponentialhistogram

Section

hashCode() - Method in class org.elasticsearch.exponentialhistogram.AbstractExponentialHistogram

hashCode() - Method in record class org.elasticsearch.exponentialhistogram.ExponentialHistogramUtils.HistogramPair

Returns a hash code value for this object.

hashCode() - Method in class org.elasticsearch.exponentialhistogram.ZeroBucket

hashCode(ExponentialHistogram) - Static method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

Default hash code implementation to be used with ExponentialHistogram.equals(ExponentialHistogram, ExponentialHistogram).

hasNext() - Method in interface org.elasticsearch.exponentialhistogram.BucketIterator

Checks if there are any buckets remaining to be visited by this iterator.

HistogramPair(ExponentialHistogram, ExponentialHistogram) - Constructor for record class org.elasticsearch.exponentialhistogram.ExponentialHistogramUtils.HistogramPair

Creates an instance of a HistogramPair record class.

I

index() - Method in class org.elasticsearch.exponentialhistogram.ZeroBucket

isIndexBased() - Method in class org.elasticsearch.exponentialhistogram.ZeroBucket

iterator() - Method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram.Buckets

M

max() - Method in class org.elasticsearch.exponentialhistogram.CompressedExponentialHistogram

max() - Method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

Returns maximum of all values represented by this histogram.

max(double) - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramBuilder

Sets the max value of the histogram values.

MAX_FIELD - Static variable in class org.elasticsearch.exponentialhistogram.ExponentialHistogramXContent

MAX_INDEX - Static variable in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

MAX_INDEX_BITS - Static variable in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

MAX_SCALE - Static variable in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

maxBucketIndex() - Method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram.Buckets

merge(int, ExponentialHistogramCircuitBreaker, Iterator<? extends ExponentialHistogram>) - Static method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

Merges the provided exponential histograms to a new, single histogram with at most the given amount of buckets.

merge(int, ExponentialHistogramCircuitBreaker, ExponentialHistogram...) - Static method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

Merges the provided exponential histograms to a new, single histogram with at most the given amount of buckets.

merge(ZeroBucket) - Method in class org.elasticsearch.exponentialhistogram.ZeroBucket

Merges this zero bucket with another one.

Merging Algorithm - Search tag in package org.elasticsearch.exponentialhistogram

Section

min() - Method in class org.elasticsearch.exponentialhistogram.CompressedExponentialHistogram

min() - Method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

Returns minimum of all values represented by this histogram.

min(double) - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramBuilder

Sets the min value of the histogram values.

MIN_FIELD - Static variable in class org.elasticsearch.exponentialhistogram.ExponentialHistogramXContent

MIN_INDEX - Static variable in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

MIN_SCALE - Static variable in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

minimalEmpty() - Static method in class org.elasticsearch.exponentialhistogram.ZeroBucket

minimalWithCount(long) - Static method in class org.elasticsearch.exponentialhistogram.ZeroBucket

Creates a zero bucket with the smallest possible threshold and a given count.

N

NEGATIVE_FIELD - Static variable in class org.elasticsearch.exponentialhistogram.ExponentialHistogramXContent

negativeBuckets() - Method in class org.elasticsearch.exponentialhistogram.CompressedExponentialHistogram

negativeBuckets() - Method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

noop() - Static method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogramCircuitBreaker

O

org.elasticsearch.exponentialhistogram - module org.elasticsearch.exponentialhistogram

org.elasticsearch.exponentialhistogram - package org.elasticsearch.exponentialhistogram

This library provides an implementation of merging and analysis algorithms for exponential histograms based on the OpenTelemetry definition.

Overview - Search tag in package org.elasticsearch.exponentialhistogram

Section

P

parseForTesting(Map<String, Object>) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramXContent

Parses an ExponentialHistogram from a Map.

parseForTesting(XContentParser) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramXContent

Parses an ExponentialHistogram from the provided XContentParser.

peekCount() - Method in interface org.elasticsearch.exponentialhistogram.BucketIterator

The number of items in the bucket at the current iterator position.

peekIndex() - Method in interface org.elasticsearch.exponentialhistogram.BucketIterator

The index of the bucket at the current iterator position.

POSITIVE_FIELD - Static variable in class org.elasticsearch.exponentialhistogram.ExponentialHistogramXContent

positiveBuckets() - Method in class org.elasticsearch.exponentialhistogram.CompressedExponentialHistogram

positiveBuckets() - Method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

R

ramBytesUsed() - Method in class org.elasticsearch.exponentialhistogram.CompressedExponentialHistogram

ramBytesUsed() - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramGenerator

ramBytesUsed() - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramMerger

ReleasableExponentialHistogram - Interface in org.elasticsearch.exponentialhistogram

A histogram which participates in the ExponentialHistogramCircuitBreaker and therefore requires proper releasing.

removeMergeNoise(ExponentialHistogram, ExponentialHistogram) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramUtils

Makes sure that if both histograms were generated by merging the same set of histograms, they are equal independent of the order in which the merge occurred.

reset(double, long, double, double, double, BytesRef) - Method in class org.elasticsearch.exponentialhistogram.CompressedExponentialHistogram

Resets this instance to decode the provided histogram data.

S

scale() - Method in interface org.elasticsearch.exponentialhistogram.BucketIterator

Provides the scale that can be used to convert indices returned by BucketIterator.peekIndex() to the bucket boundaries, e.g., via ExponentialScaleUtils.getLowerBucketBoundary(long, int).

scale() - Method in class org.elasticsearch.exponentialhistogram.CompressedExponentialHistogram

scale() - Method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

The scale of the histogram.

scale() - Method in class org.elasticsearch.exponentialhistogram.ZeroBucket

scale(int) - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramBuilder

SCALE_FIELD - Static variable in class org.elasticsearch.exponentialhistogram.ExponentialHistogramXContent

second() - Method in record class org.elasticsearch.exponentialhistogram.ExponentialHistogramUtils.HistogramPair

Returns the value of the second record component.

serialize(XContentBuilder, ExponentialHistogram) - Static method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramXContent

Serializes an ExponentialHistogram to the provided XContentBuilder.

setNegativeBucket(long, long) - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramBuilder

Sets the given bucket of the negative buckets.

setPositiveBucket(long, long) - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramBuilder

Sets the given bucket of the positive buckets.

SHALLOW_SIZE - Static variable in class org.elasticsearch.exponentialhistogram.ZeroBucket

sum() - Method in class org.elasticsearch.exponentialhistogram.CompressedExponentialHistogram

sum() - Method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

Returns the sum of all values represented by this histogram.

sum(double) - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramBuilder

Sets the sum of the histogram values.

SUM_FIELD - Static variable in class org.elasticsearch.exponentialhistogram.ExponentialHistogramXContent

T

toString() - Method in class org.elasticsearch.exponentialhistogram.AbstractExponentialHistogram

toString() - Method in record class org.elasticsearch.exponentialhistogram.ExponentialHistogramUtils.HistogramPair

Returns a string representation of this record class.

U

Upscaling - Search tag in package org.elasticsearch.exponentialhistogram

Section

V

valueCount() - Method in class org.elasticsearch.exponentialhistogram.AbstractExponentialHistogram

valueCount() - Method in class org.elasticsearch.exponentialhistogram.CompressedExponentialHistogram

valueCount() - Method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram.Buckets

valueCount() - Method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

Returns the number of values represented by this histogram.

W

writeHistogramBytes(OutputStream, int, BucketIterator, BucketIterator) - Static method in class org.elasticsearch.exponentialhistogram.CompressedExponentialHistogram

Serializes the given histogram, so that exactly the same data can be reconstructed via CompressedExponentialHistogram.reset(double, long, double, double, double, BytesRef).

Z

ZERO_COUNT_FIELD - Static variable in class org.elasticsearch.exponentialhistogram.ExponentialHistogramXContent

ZERO_FIELD - Static variable in class org.elasticsearch.exponentialhistogram.ExponentialHistogramXContent

ZERO_THRESHOLD_FIELD - Static variable in class org.elasticsearch.exponentialhistogram.ExponentialHistogramXContent

zeroBucket() - Method in class org.elasticsearch.exponentialhistogram.CompressedExponentialHistogram

zeroBucket() - Method in interface org.elasticsearch.exponentialhistogram.ExponentialHistogram

zeroBucket(ZeroBucket) - Method in class org.elasticsearch.exponentialhistogram.ExponentialHistogramBuilder

ZeroBucket - Class in org.elasticsearch.exponentialhistogram

Represents the bucket for values around zero in an exponential histogram.

zeroThreshold() - Method in class org.elasticsearch.exponentialhistogram.ZeroBucket

A B C D E F G H I M N O P R S T U V W Z
All Classes and Interfaces|All Packages|Constant Field Values