arrow

package
v0.23.0 Latest Latest
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 Go to latest Published: May 9, 2024 License: Apache-2.0 Imports: 20 Imported by: 0

Documentation

Overview

Package arrow contains types and functions used to convert OTLP metrics into their Arrow representation.

Index

Constants

This section is empty.

Variables

View Source 
var (
	// DataPointSchema is the Arrow schema representing data points.
	// Related record.
	DataPointSchema = arrow.NewSchema([]arrow.Field{

		{Name: constants.ID, Type: arrow.PrimitiveTypes.Uint32, Metadata: schema.Metadata(schema.DeltaEncoding)},

		{Name: constants.ParentID, Type: arrow.PrimitiveTypes.Uint16},
		{Name: constants.StartTimeUnixNano, Type: arrow.FixedWidthTypes.Timestamp_ns},
		{Name: constants.TimeUnixNano, Type: arrow.FixedWidthTypes.Timestamp_ns},
		{Name: constants.IntValue, Type: arrow.PrimitiveTypes.Int64},
		{Name: constants.DoubleValue, Type: arrow.PrimitiveTypes.Float64},
		{Name: constants.Flags, Type: arrow.PrimitiveTypes.Uint32, Metadata: schema.Metadata(schema.Optional)},
	}, nil)
)
View Source 
var (
	EHistogramDataPointBucketsDT = arrow.StructOf(
		arrow.Field{Name: constants.ExpHistogramOffset, Type: arrow.PrimitiveTypes.Int32, Metadata: schema.Metadata(schema.Optional)},
		arrow.Field{Name: constants.ExpHistogramBucketCounts, Type: arrow.ListOf(arrow.PrimitiveTypes.Uint64), Metadata: schema.Metadata(schema.Optional)},
	)
)

EHistogramDataPointBucketsDT is the Arrow Data Type describing an exponential histogram data point buckets.

View Source 
var (
	// EHistogramDataPointSchema is the Arrow schema describing a
	// histogram data point.
	// Related record.
	EHistogramDataPointSchema = arrow.NewSchema([]arrow.Field{

		{Name: constants.ID, Type: arrow.PrimitiveTypes.Uint32, Metadata: schema.Metadata(schema.Optional, schema.DeltaEncoding)},

		{Name: constants.ParentID, Type: arrow.PrimitiveTypes.Uint16},
		{Name: constants.StartTimeUnixNano, Type: arrow.FixedWidthTypes.Timestamp_ns, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.TimeUnixNano, Type: arrow.FixedWidthTypes.Timestamp_ns, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.HistogramCount, Type: arrow.PrimitiveTypes.Uint64, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.HistogramSum, Type: arrow.PrimitiveTypes.Float64, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.ExpHistogramScale, Type: arrow.PrimitiveTypes.Int32, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.ExpHistogramZeroCount, Type: arrow.PrimitiveTypes.Uint64, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.ExpHistogramPositive, Type: EHistogramDataPointBucketsDT, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.ExpHistogramNegative, Type: EHistogramDataPointBucketsDT, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.Flags, Type: arrow.PrimitiveTypes.Uint32, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.HistogramMin, Type: arrow.PrimitiveTypes.Float64, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.HistogramMax, Type: arrow.PrimitiveTypes.Float64, Metadata: schema.Metadata(schema.Optional)},
	}, nil)
)
View Source 
var (
	ErrUnknownMetricType = errors.New("unknown metric type")
)
View Source 
var (
	// ExemplarSchema is the Arrow schema representing an OTLP metric exemplar.
	ExemplarSchema = arrow.NewSchema([]arrow.Field{
		{Name: constants.ID, Type: arrow.PrimitiveTypes.Uint32, Metadata: schema.Metadata(schema.Optional, schema.DeltaEncoding)},
		{Name: constants.ParentID, Type: arrow.PrimitiveTypes.Uint32},
		{Name: constants.TimeUnixNano, Type: arrow.FixedWidthTypes.Timestamp_ns, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.IntValue, Type: arrow.PrimitiveTypes.Int64, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.DoubleValue, Type: arrow.PrimitiveTypes.Float64, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.SpanId, Type: &arrow.FixedSizeBinaryType{ByteWidth: 8}, Metadata: schema.Metadata(schema.Optional, schema.Dictionary8)},
		{Name: constants.TraceId, Type: &arrow.FixedSizeBinaryType{ByteWidth: 16}, Metadata: schema.Metadata(schema.Optional, schema.Dictionary8)},
	}, nil)
)
View Source 
var (
	// HistogramDataPointSchema is the Arrow Schema describing a histogram
	// data point.
	// Related record.
	HistogramDataPointSchema = arrow.NewSchema([]arrow.Field{

		{Name: constants.ID, Type: arrow.PrimitiveTypes.Uint32, Metadata: schema.Metadata(schema.Optional, schema.DeltaEncoding)},

		{Name: constants.ParentID, Type: arrow.PrimitiveTypes.Uint16},
		{Name: constants.StartTimeUnixNano, Type: arrow.FixedWidthTypes.Timestamp_ns, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.TimeUnixNano, Type: arrow.FixedWidthTypes.Timestamp_ns, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.HistogramCount, Type: arrow.PrimitiveTypes.Uint64, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.HistogramSum, Type: arrow.PrimitiveTypes.Float64, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.HistogramBucketCounts, Type: arrow.ListOf(arrow.PrimitiveTypes.Uint64), Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.HistogramExplicitBounds, Type: arrow.ListOf(arrow.PrimitiveTypes.Float64), Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.Flags, Type: arrow.PrimitiveTypes.Uint32, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.HistogramMin, Type: arrow.PrimitiveTypes.Float64, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.HistogramMax, Type: arrow.PrimitiveTypes.Float64, Metadata: schema.Metadata(schema.Optional)},
	}, nil)
)
View Source 
var (
	MetricsSchema = arrow.NewSchema([]arrow.Field{
		{Name: constants.ID, Type: arrow.PrimitiveTypes.Uint16, Metadata: schema.Metadata(schema.DeltaEncoding)},
		{Name: constants.Resource, Type: carrow.ResourceDT, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.Scope, Type: carrow.ScopeDT, Metadata: schema.Metadata(schema.Optional)},

		{Name: constants.SchemaUrl, Type: arrow.BinaryTypes.String, Metadata: schema.Metadata(schema.Optional, schema.Dictionary8)},
		{Name: constants.MetricType, Type: arrow.PrimitiveTypes.Uint8},
		{Name: constants.Name, Type: arrow.BinaryTypes.String, Metadata: schema.Metadata(schema.Dictionary8)},
		{Name: constants.Description, Type: arrow.BinaryTypes.String, Metadata: schema.Metadata(schema.Optional, schema.Dictionary8)},
		{Name: constants.Unit, Type: arrow.BinaryTypes.String, Metadata: schema.Metadata(schema.Optional, schema.Dictionary8)},
		{Name: constants.AggregationTemporality, Type: arrow.PrimitiveTypes.Int32, Metadata: schema.Metadata(schema.Optional, schema.Dictionary8)},
		{Name: constants.IsMonotonic, Type: arrow.FixedWidthTypes.Boolean, Metadata: schema.Metadata(schema.Optional)},
	}, nil)
)

MetricsSchema is the Arrow schema for the OTLP Arrow Metrics record.

View Source 
var (
	QuantileValueDT = arrow.StructOf(
		arrow.Field{Name: constants.SummaryQuantile, Type: arrow.PrimitiveTypes.Float64, Metadata: schema.Metadata(schema.Optional)},
		arrow.Field{Name: constants.SummaryValue, Type: arrow.PrimitiveTypes.Float64, Metadata: schema.Metadata(schema.Optional)},
	)
)

QuantileValueDT is the Arrow Data Type describing a quantile value.

View Source 
var (
	// SummaryDataPointSchema is the Arrow Schema describing a summary
	// data point.
	// Related record.
	SummaryDataPointSchema = arrow.NewSchema([]arrow.Field{

		{Name: constants.ID, Type: arrow.PrimitiveTypes.Uint32, Metadata: schema.Metadata(schema.Optional, schema.DeltaEncoding)},

		{Name: constants.ParentID, Type: arrow.PrimitiveTypes.Uint16},
		{Name: constants.StartTimeUnixNano, Type: arrow.FixedWidthTypes.Timestamp_ns, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.TimeUnixNano, Type: arrow.FixedWidthTypes.Timestamp_ns, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.SummaryCount, Type: arrow.PrimitiveTypes.Uint64, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.SummarySum, Type: arrow.PrimitiveTypes.Float64, Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.SummaryQuantileValues, Type: arrow.ListOf(QuantileValueDT), Metadata: schema.Metadata(schema.Optional)},
		{Name: constants.Flags, Type: arrow.PrimitiveTypes.Uint32, Metadata: schema.Metadata(schema.Optional)},
	}, nil)
)

Functions

This section is empty.

Types

type AttrsBuilders 

type AttrsBuilders struct {
	// contains filtered or unexported fields
}

AttrsBuilders groups together AttrsBuilder instances used to build related data attributes (i.e. resource attributes, scope attributes, metrics attributes.

func (*AttrsBuilders) Release 

func (ab *AttrsBuilders) Release()

func (*AttrsBuilders) Reset 

func (ab *AttrsBuilders) Reset()

func (*AttrsBuilders) Resource 

func (ab *AttrsBuilders) Resource() *carrow.Attrs16Builder

func (*AttrsBuilders) Scope 

func (ab *AttrsBuilders) Scope() *carrow.Attrs16Builder

type AttrsConfig 

type AttrsConfig struct {
	Resource                *arrow.Attrs16Config
	Scope                   *arrow.Attrs16Config
	NumberDataPoint         *arrow.Attrs32Config
	NumberDataPointExemplar *arrow.Attrs32Config
	Summary                 *arrow.Attrs32Config
	Histogram               *arrow.Attrs32Config
	HistogramExemplar       *arrow.Attrs32Config
	ExpHistogram            *arrow.Attrs32Config
	ExpHistogramExemplar    *arrow.Attrs32Config
}

type Config 

type Config struct {
	Global *cfg.Config

	Metric *MetricConfig

	NumberDP     *NumberDataPointConfig
	Summary      *SummaryConfig
	Histogram    *HistogramConfig
	ExpHistogram *ExpHistogramConfig

	NumberDataPointExemplar *ExemplarConfig
	HistogramExemplar       *ExemplarConfig
	ExpHistogramExemplar    *ExemplarConfig

	Attrs *AttrsConfig
}

func DefaultConfig 

func DefaultConfig() *Config

func NewConfig 

func NewConfig(globalConf *cfg.Config) *Config

func NewNoSortConfig 

func NewNoSortConfig(globalConf *cfg.Config) *Config

type DP 

type DP struct {
	ParentID uint16
	Orig     *pmetric.NumberDataPoint
}

DP is an internal representation of a data point used by the DPAccumulator.

type DPAccumulator 

type DPAccumulator struct {
	// contains filtered or unexported fields
}

DPAccumulator is an accumulator for data points.

func NewDPAccumulator 

func NewDPAccumulator(sorter NumberDataPointSorter) *DPAccumulator

NewDPAccumulator creates a new DPAccumulator.

func (*DPAccumulator) Append 

func (a *DPAccumulator) Append(
	parentId uint16,
	dp *pmetric.NumberDataPoint,
)

Append appends a slice of number data points to the accumulator.

func (*DPAccumulator) IsEmpty 

func (a *DPAccumulator) IsEmpty() bool

func (*DPAccumulator) Reset 

func (a *DPAccumulator) Reset()

type DataPointBuilder 

type DataPointBuilder struct {
	// contains filtered or unexported fields
}

DataPointBuilder is a builder for int data points.

func NewDataPointBuilder 

func NewDataPointBuilder(rBuilder *builder.RecordBuilderExt, payloadType *carrow.PayloadType, conf *NumberDataPointConfig) *DataPointBuilder

NewDataPointBuilder creates a new DataPointBuilder.

func (*DataPointBuilder) Accumulator 

func (b *DataPointBuilder) Accumulator() *DPAccumulator

func (*DataPointBuilder) Build 

func (b *DataPointBuilder) Build() (record arrow.Record, err error)

func (*DataPointBuilder) IsEmpty 

func (b *DataPointBuilder) IsEmpty() bool

func (*DataPointBuilder) PayloadType 

func (b *DataPointBuilder) PayloadType() *carrow.PayloadType

func (*DataPointBuilder) Release 

func (b *DataPointBuilder) Release()

Release releases the underlying memory.

func (*DataPointBuilder) Reset 

func (b *DataPointBuilder) Reset()

func (*DataPointBuilder) Schema 

func (b *DataPointBuilder) Schema() *arrow.Schema

func (*DataPointBuilder) SchemaID 

func (b *DataPointBuilder) SchemaID() string

func (*DataPointBuilder) SetAttributesAccumulator 

func (b *DataPointBuilder) SetAttributesAccumulator(accu *carrow.Attributes32Accumulator)

func (*DataPointBuilder) SetExemplarAccumulator 

func (b *DataPointBuilder) SetExemplarAccumulator(accu *ExemplarAccumulator)

func (*DataPointBuilder) TryBuild 

func (b *DataPointBuilder) TryBuild(attrsAccu *carrow.Attributes32Accumulator) (record arrow.Record, err error)

type EHDP 

type EHDP struct {
	ParentID uint16
	Orig     *pmetric.ExponentialHistogramDataPoint
}

type EHDPAccumulator 

type EHDPAccumulator struct {
	// contains filtered or unexported fields
}

func NewEHDPAccumulator 

func NewEHDPAccumulator(sorter EHistogramSorter) *EHDPAccumulator

func (*EHDPAccumulator) Append 

func (a *EHDPAccumulator) Append(
	metricID uint16,
	ehdps pmetric.ExponentialHistogramDataPointSlice,
)

func (*EHDPAccumulator) IsEmpty 

func (a *EHDPAccumulator) IsEmpty() bool

func (*EHDPAccumulator) Reset 

func (a *EHDPAccumulator) Reset()

type EHistogramDataPointBucketsBuilder 

type EHistogramDataPointBucketsBuilder struct {
	// contains filtered or unexported fields
}

EHistogramDataPointBucketsBuilder is a builder for exponential histogram data point buckets.

func EHistogramDataPointBucketsBuilderFrom 

func EHistogramDataPointBucketsBuilderFrom(b *builder.StructBuilder) *EHistogramDataPointBucketsBuilder

EHistogramDataPointBucketsBuilderFrom creates a new EHistogramDataPointBucketsBuilder from an existing StructBuilder.

func (*EHistogramDataPointBucketsBuilder) Append 

func (b *EHistogramDataPointBucketsBuilder) Append(hdpb pmetric.ExponentialHistogramDataPointBuckets) error

Append appends a new histogram data point to the builder.

func (*EHistogramDataPointBucketsBuilder) Build 

func (b *EHistogramDataPointBucketsBuilder) Build() (*array.Struct, error)

Build builds the underlying array.

Once the array is no longer needed, Release() should be called to free the memory.

func (*EHistogramDataPointBucketsBuilder) Release 

func (b *EHistogramDataPointBucketsBuilder) Release()

Release releases the underlying memory.

type EHistogramDataPointBuilder 

type EHistogramDataPointBuilder struct {
	// contains filtered or unexported fields
}

EHistogramDataPointBuilder is a builder for exponential histogram data points.

func NewEHistogramDataPointBuilder 

func NewEHistogramDataPointBuilder(rBuilder *builder.RecordBuilderExt, conf *ExpHistogramConfig) *EHistogramDataPointBuilder

NewEHistogramDataPointBuilder creates a new EHistogramDataPointBuilder.

func (*EHistogramDataPointBuilder) Accumulator 

func (b *EHistogramDataPointBuilder) Accumulator() *EHDPAccumulator

func (*EHistogramDataPointBuilder) AppendCountSum 

func (b *EHistogramDataPointBuilder) AppendCountSum(hdp pmetric.ExponentialHistogramDataPoint)

func (*EHistogramDataPointBuilder) AppendExemplars 

func (b *EHistogramDataPointBuilder) AppendExemplars(ID uint32, hdp pmetric.ExponentialHistogramDataPoint) error

func (*EHistogramDataPointBuilder) AppendMinMax 

func (b *EHistogramDataPointBuilder) AppendMinMax(hdp pmetric.ExponentialHistogramDataPoint)

func (*EHistogramDataPointBuilder) Build 

func (b *EHistogramDataPointBuilder) Build() (record arrow.Record, err error)

Build builds the underlying array.

Once the array is no longer needed, Release() should be called to free the memory.

func (*EHistogramDataPointBuilder) IsEmpty 

func (b *EHistogramDataPointBuilder) IsEmpty() bool

func (*EHistogramDataPointBuilder) PayloadType 

func (b *EHistogramDataPointBuilder) PayloadType() *carrow.PayloadType

func (*EHistogramDataPointBuilder) Release 

func (b *EHistogramDataPointBuilder) Release()

Release releases the underlying memory.

func (*EHistogramDataPointBuilder) Reset 

func (b *EHistogramDataPointBuilder) Reset()

func (*EHistogramDataPointBuilder) Schema 

func (b *EHistogramDataPointBuilder) Schema() *arrow.Schema

func (*EHistogramDataPointBuilder) SchemaID 

func (b *EHistogramDataPointBuilder) SchemaID() string

func (*EHistogramDataPointBuilder) SetAttributesAccumulator 

func (b *EHistogramDataPointBuilder) SetAttributesAccumulator(accu *carrow.Attributes32Accumulator)

func (*EHistogramDataPointBuilder) SetExemplarAccumulator 

func (b *EHistogramDataPointBuilder) SetExemplarAccumulator(accu *ExemplarAccumulator)

func (*EHistogramDataPointBuilder) TryBuild 

func (b *EHistogramDataPointBuilder) TryBuild(attrsAccu *carrow.Attributes32Accumulator) (record arrow.Record, err error)

type EHistogramSorter 

type EHistogramSorter interface {
	Sort(histograms []EHDP)
	Encode(parentID uint16, dp *pmetric.ExponentialHistogramDataPoint) uint16
	Reset()
}

type EHistogramsByNothing 

type EHistogramsByNothing struct{}

func UnsortedEHistograms 

func UnsortedEHistograms() *EHistogramsByNothing

func (*EHistogramsByNothing) Encode 

func (a *EHistogramsByNothing) Encode(parentID uint16, _ *pmetric.ExponentialHistogramDataPoint) uint16

func (*EHistogramsByNothing) Reset 

func (a *EHistogramsByNothing) Reset()

func (*EHistogramsByNothing) Sort 

func (a *EHistogramsByNothing) Sort(_ []EHDP)

type EHistogramsByParentID 

type EHistogramsByParentID struct {
	// contains filtered or unexported fields
}

func SortEHistogramsByParentID 

func SortEHistogramsByParentID() *EHistogramsByParentID

func (*EHistogramsByParentID) Encode 

func (a *EHistogramsByParentID) Encode(parentID uint16, _ *pmetric.ExponentialHistogramDataPoint) uint16

func (*EHistogramsByParentID) Reset 

func (a *EHistogramsByParentID) Reset()

func (*EHistogramsByParentID) Sort 

func (a *EHistogramsByParentID) Sort(histograms []EHDP)

type Exemplar 

type Exemplar struct {
	ParentID uint32
	Orig     *pmetric.Exemplar
}

type ExemplarAccumulator 

type ExemplarAccumulator struct {
	// contains filtered or unexported fields
}

func NewExemplarAccumulator 

func NewExemplarAccumulator(sorter ExemplarSorter) *ExemplarAccumulator

func (*ExemplarAccumulator) Append 

func (a *ExemplarAccumulator) Append(dpID uint32, exemplars pmetric.ExemplarSlice) error

Append appends a slice of exemplars to the accumulator.

func (*ExemplarAccumulator) IsEmpty 

func (a *ExemplarAccumulator) IsEmpty() bool

func (*ExemplarAccumulator) Reset 

func (a *ExemplarAccumulator) Reset()

type ExemplarBuilder 

type ExemplarBuilder struct {
	// contains filtered or unexported fields
}

ExemplarBuilder is a helper to build an Arrow array containing a collection of OTLP metric exemplar.

func NewExemplarBuilder 

func NewExemplarBuilder(rBuilder *builder.RecordBuilderExt, payloadType *carrow.PayloadType, conf *ExemplarConfig) *ExemplarBuilder

NewExemplarBuilder creates a new ExemplarBuilder.

func (*ExemplarBuilder) Accumulator 

func (b *ExemplarBuilder) Accumulator() *ExemplarAccumulator

func (*ExemplarBuilder) Build 

func (b *ExemplarBuilder) Build() (record arrow.Record, err error)

func (*ExemplarBuilder) IsEmpty 

func (b *ExemplarBuilder) IsEmpty() bool

func (*ExemplarBuilder) PayloadType 

func (b *ExemplarBuilder) PayloadType() *carrow.PayloadType

func (*ExemplarBuilder) Release 

func (b *ExemplarBuilder) Release()

Release releases the memory allocated by the builder.

func (*ExemplarBuilder) Reset 

func (b *ExemplarBuilder) Reset()

func (*ExemplarBuilder) Schema 

func (b *ExemplarBuilder) Schema() *arrow.Schema

func (*ExemplarBuilder) SchemaID 

func (b *ExemplarBuilder) SchemaID() string

func (*ExemplarBuilder) SetAttributesAccumulator 

func (b *ExemplarBuilder) SetAttributesAccumulator(accu *carrow.Attributes32Accumulator)

func (*ExemplarBuilder) TryBuild 

func (b *ExemplarBuilder) TryBuild(attrsAccu *carrow.Attributes32Accumulator) (record arrow.Record, err error)

type ExemplarConfig 

type ExemplarConfig struct {
	Sorter ExemplarSorter
}

type ExemplarParentIdEncoder 

type ExemplarParentIdEncoder struct {
	// contains filtered or unexported fields
}

func NewExemplarParentIdEncoder 

func NewExemplarParentIdEncoder(encoderType int) *ExemplarParentIdEncoder

func (*ExemplarParentIdEncoder) Encode 

func (e *ExemplarParentIdEncoder) Encode(parentID uint32) uint32

type ExemplarSorter 

type ExemplarSorter interface {
	Sort(exemplars []Exemplar)
	Encode(parentID uint32, dp *pmetric.Exemplar) uint32
	Reset()
}

type ExemplarsByNothing 

type ExemplarsByNothing struct{}

func UnsortedExemplars 

func UnsortedExemplars() *ExemplarsByNothing

func (*ExemplarsByNothing) Encode 

func (s *ExemplarsByNothing) Encode(parentID uint32, _ *pmetric.Exemplar) uint32

func (*ExemplarsByNothing) Reset 

func (s *ExemplarsByNothing) Reset()

func (*ExemplarsByNothing) Sort 

func (s *ExemplarsByNothing) Sort(_ []Exemplar)

type ExemplarsByTypeValueParentId 

type ExemplarsByTypeValueParentId struct {
	// contains filtered or unexported fields
}

func SortExemplarsByTypeValueParentId 

func SortExemplarsByTypeValueParentId() *ExemplarsByTypeValueParentId

func (*ExemplarsByTypeValueParentId) Encode 

func (s *ExemplarsByTypeValueParentId) Encode(parentID uint32, exemplar *pmetric.Exemplar) uint32

func (*ExemplarsByTypeValueParentId) Equal 

func (s *ExemplarsByTypeValueParentId) Equal(ex1, ex2 *pmetric.Exemplar) bool

func (*ExemplarsByTypeValueParentId) Reset 

func (s *ExemplarsByTypeValueParentId) Reset()

func (*ExemplarsByTypeValueParentId) Sort 

func (s *ExemplarsByTypeValueParentId) Sort(exemplars []Exemplar)

type ExpHistogramConfig 

type ExpHistogramConfig struct {
	Sorter EHistogramSorter
}

type FlattenedMetric 

type FlattenedMetric struct {
	// Resource metrics section.
	ResourceMetricsID string
	Resource          pcommon.Resource
	ResourceSchemaUrl string

	// Scope metrics section.
	ScopeMetricsID string
	Scope          pcommon.InstrumentationScope
	ScopeSchemaUrl string

	// Metric section.
	Metric pmetric.Metric
}

type HDP 

type HDP struct {
	ParentID uint16
	Orig     *pmetric.HistogramDataPoint
}

type HDPAccumulator 

type HDPAccumulator struct {
	// contains filtered or unexported fields
}

func NewHDPAccumulator 

func NewHDPAccumulator(sorter HistogramSorter) *HDPAccumulator

func (*HDPAccumulator) Append 

func (a *HDPAccumulator) Append(
	parentID uint16,
	hdps pmetric.HistogramDataPointSlice,
)

func (*HDPAccumulator) IsEmpty 

func (a *HDPAccumulator) IsEmpty() bool

func (*HDPAccumulator) Reset 

func (a *HDPAccumulator) Reset()

type HistogramConfig 

type HistogramConfig struct {
	Sorter HistogramSorter
}

type HistogramDataPointBuilder 

type HistogramDataPointBuilder struct {
	// contains filtered or unexported fields
}

HistogramDataPointBuilder is a builder for histogram data points.

func NewHistogramDataPointBuilder 

func NewHistogramDataPointBuilder(rBuilder *builder.RecordBuilderExt, conf *HistogramConfig) *HistogramDataPointBuilder

NewHistogramDataPointBuilder creates a new HistogramDataPointBuilder.

func (*HistogramDataPointBuilder) Accumulator 

func (b *HistogramDataPointBuilder) Accumulator() *HDPAccumulator

func (*HistogramDataPointBuilder) Build 

func (b *HistogramDataPointBuilder) Build() (record arrow.Record, err error)

Build builds the underlying array.

Once the array is no longer needed, Release() should be called to free the memory.

func (*HistogramDataPointBuilder) IsEmpty 

func (b *HistogramDataPointBuilder) IsEmpty() bool

func (*HistogramDataPointBuilder) PayloadType 

func (b *HistogramDataPointBuilder) PayloadType() *carrow.PayloadType

func (*HistogramDataPointBuilder) Release 

func (b *HistogramDataPointBuilder) Release()

Release releases the underlying memory.

func (*HistogramDataPointBuilder) Reset 

func (b *HistogramDataPointBuilder) Reset()

func (*HistogramDataPointBuilder) Schema 

func (b *HistogramDataPointBuilder) Schema() *arrow.Schema

func (*HistogramDataPointBuilder) SchemaID 

func (b *HistogramDataPointBuilder) SchemaID() string

func (*HistogramDataPointBuilder) SetAttributesAccumulator 

func (b *HistogramDataPointBuilder) SetAttributesAccumulator(accu *carrow.Attributes32Accumulator)

func (*HistogramDataPointBuilder) SetExemplarAccumulator 

func (b *HistogramDataPointBuilder) SetExemplarAccumulator(accu *ExemplarAccumulator)

func (*HistogramDataPointBuilder) TryBuild 

func (b *HistogramDataPointBuilder) TryBuild(attrsAccu *carrow.Attributes32Accumulator) (record arrow.Record, err error)

type HistogramSorter 

type HistogramSorter interface {
	Sort(histograms []HDP)
	Encode(parentID uint16, dp *pmetric.HistogramDataPoint) uint16
	Reset()
}

type HistogramsByNothing 

type HistogramsByNothing struct{}

func UnsortedHistograms 

func UnsortedHistograms() *HistogramsByNothing

func (*HistogramsByNothing) Encode 

func (a *HistogramsByNothing) Encode(parentID uint16, _ *pmetric.HistogramDataPoint) uint16

func (*HistogramsByNothing) Reset 

func (a *HistogramsByNothing) Reset()

func (*HistogramsByNothing) Sort 

func (a *HistogramsByNothing) Sort(_ []HDP)

type HistogramsByParentID 

type HistogramsByParentID struct {
	// contains filtered or unexported fields
}

func SortHistogramsByParentID 

func SortHistogramsByParentID() *HistogramsByParentID

func (*HistogramsByParentID) Encode 

func (a *HistogramsByParentID) Encode(parentID uint16, _ *pmetric.HistogramDataPoint) uint16

func (*HistogramsByParentID) Reset 

func (a *HistogramsByParentID) Reset()

func (*HistogramsByParentID) Sort 

func (a *HistogramsByParentID) Sort(histograms []HDP)

type MetricConfig 

type MetricConfig struct {
	Sorter MetricSorter
}

type MetricSorter 

type MetricSorter interface {
	Sort(metrics []*FlattenedMetric)
}

type MetricsAnalyzer 

type MetricsAnalyzer struct {
	MetricCount          int64
	ResourceMetricsStats *ResourceMetricsStats
}

func NewMetricsAnalyzer 

func NewMetricsAnalyzer() *MetricsAnalyzer

func (*MetricsAnalyzer) Analyze 

func (t *MetricsAnalyzer) Analyze(metrics *MetricsOptimized)

func (*MetricsAnalyzer) ShowStats 

func (t *MetricsAnalyzer) ShowStats(indent string)

type MetricsBuilder 

type MetricsBuilder struct {
	// contains filtered or unexported fields
}

MetricsBuilder is a helper to build a list of resource metrics.

func NewMetricsBuilder 

func NewMetricsBuilder(
	rBuilder *builder.RecordBuilderExt,
	cfg *Config,
	stats *stats.ProducerStats,
	observer observer.ProducerObserver,
) (*MetricsBuilder, error)

NewMetricsBuilder creates a new MetricsBuilder.

Important Note: The rBuilder parameter will not be released by this MetricsBuilder as it's shared with other instances of metrics builders.

func (*MetricsBuilder) Append 

func (b *MetricsBuilder) Append(metrics pmetric.Metrics) error

Append appends a new set of resource metrics to the builder.

func (*MetricsBuilder) Build 

func (b *MetricsBuilder) Build() (record arrow.Record, err error)

Build builds an Arrow Record from the builder.

Once the array is no longer needed, Release() must be called to free the memory allocated by the record.

func (*MetricsBuilder) RecordBuilderExt 

func (b *MetricsBuilder) RecordBuilderExt() *builder.RecordBuilderExt

func (*MetricsBuilder) RelatedData 

func (b *MetricsBuilder) RelatedData() *RelatedData

func (*MetricsBuilder) Release 

func (b *MetricsBuilder) Release()

Release releases the memory allocated by the builder.

func (*MetricsBuilder) ShowSchema 

func (b *MetricsBuilder) ShowSchema()

type MetricsByNothing 

type MetricsByNothing struct{}

func UnsortedMetrics 

func UnsortedMetrics() *MetricsByNothing

func (*MetricsByNothing) Sort 

func (s *MetricsByNothing) Sort(_ []*FlattenedMetric)

type MetricsByResourceScopeTypeName 

type MetricsByResourceScopeTypeName struct{}

func SortMetricsByResourceScopeTypeName 

func SortMetricsByResourceScopeTypeName() *MetricsByResourceScopeTypeName

func (*MetricsByResourceScopeTypeName) Sort 

func (s *MetricsByResourceScopeTypeName) Sort(metrics []*FlattenedMetric)

type MetricsByTypeNameResourceScope 

type MetricsByTypeNameResourceScope struct{}

func SortMetricsByTypeNameResourceScope 

func SortMetricsByTypeNameResourceScope() *MetricsByTypeNameResourceScope

func (*MetricsByTypeNameResourceScope) Sort 

func (s *MetricsByTypeNameResourceScope) Sort(metrics []*FlattenedMetric)

type MetricsOptimized 

type MetricsOptimized struct {
	Metrics []*FlattenedMetric
}

type MetricsOptimizer 

type MetricsOptimizer struct {
	// contains filtered or unexported fields
}

func NewMetricsOptimizer 

func NewMetricsOptimizer(sorter MetricSorter) *MetricsOptimizer

func (*MetricsOptimizer) Optimize 

func (t *MetricsOptimizer) Optimize(metrics pmetric.Metrics) *MetricsOptimized

type MetricsStats 

type MetricsStats struct {
	TotalCount        int64
	Distribution      *hdrhistogram.Histogram
	Attributes        *carrow.AttributesStats
	SharedAttributes  *carrow.AttributesStats
	TimeIntervalStats *carrow.TimeIntervalStats
	Name              *carrow.StringStats
	SpanID            *hyperloglog.Sketch
	TraceID           *hyperloglog.Sketch
	ParentSpanID      *hyperloglog.Sketch
	Kind              *hyperloglog.Sketch
	TraceState        *hyperloglog.Sketch
	StatusStats       *carrow.StatusStats
}

func NewMetricsStats 

func NewMetricsStats() *MetricsStats

func (*MetricsStats) ShowStats 

func (s *MetricsStats) ShowStats(indent string)

type NumberDataPointConfig 

type NumberDataPointConfig struct {
	Sorter NumberDataPointSorter
}

type NumberDataPointSorter 

type NumberDataPointSorter interface {
	Sort(dps []DP)
	Encode(parentID uint16, dp *pmetric.NumberDataPoint) uint16
	Reset()
}

type NumberDataPointsByNothing 

type NumberDataPointsByNothing struct{}

func UnsortedNumberDataPoints 

func UnsortedNumberDataPoints() *NumberDataPointsByNothing

func (*NumberDataPointsByNothing) Encode 

func (a *NumberDataPointsByNothing) Encode(parentID uint16, _ *pmetric.NumberDataPoint) uint16

func (*NumberDataPointsByNothing) Reset 

func (a *NumberDataPointsByNothing) Reset()

func (*NumberDataPointsByNothing) Sort 

func (a *NumberDataPointsByNothing) Sort(_ []DP)

type NumberDataPointsByParentID 

type NumberDataPointsByParentID struct {
	// contains filtered or unexported fields
}

func SortNumberDataPointsByParentID 

func SortNumberDataPointsByParentID() *NumberDataPointsByParentID

func (*NumberDataPointsByParentID) Encode 

func (a *NumberDataPointsByParentID) Encode(parentID uint16, _ *pmetric.NumberDataPoint) uint16

func (*NumberDataPointsByParentID) Reset 

func (a *NumberDataPointsByParentID) Reset()

func (*NumberDataPointsByParentID) Sort 

func (a *NumberDataPointsByParentID) Sort(dps []DP)

type NumberDataPointsByTimestampParentID 

type NumberDataPointsByTimestampParentID struct {
	// contains filtered or unexported fields
}

func SortNumberDataPointsByTimeParentID 

func SortNumberDataPointsByTimeParentID() *NumberDataPointsByTimestampParentID

func (*NumberDataPointsByTimestampParentID) Encode 

func (a *NumberDataPointsByTimestampParentID) Encode(parentID uint16, dp *pmetric.NumberDataPoint) uint16

func (*NumberDataPointsByTimestampParentID) Reset 

func (a *NumberDataPointsByTimestampParentID) Reset()

func (*NumberDataPointsByTimestampParentID) Sort 

func (a *NumberDataPointsByTimestampParentID) Sort(dps []DP)

type NumberDataPointsByTimestampParentIDTypeValue 

type NumberDataPointsByTimestampParentIDTypeValue struct {
	// contains filtered or unexported fields
}

func SortNumberDataPointsByTimeParentIDTypeValue 

func SortNumberDataPointsByTimeParentIDTypeValue() *NumberDataPointsByTimestampParentIDTypeValue

func (*NumberDataPointsByTimestampParentIDTypeValue) Encode 

func (a *NumberDataPointsByTimestampParentIDTypeValue) Encode(parentID uint16, dp *pmetric.NumberDataPoint) uint16

func (*NumberDataPointsByTimestampParentIDTypeValue) Reset 

func (a *NumberDataPointsByTimestampParentIDTypeValue) Reset()

func (*NumberDataPointsByTimestampParentIDTypeValue) Sort 

func (a *NumberDataPointsByTimestampParentIDTypeValue) Sort(dps []DP)

type NumberDataPointsByTimestampTypeValueParentID 

type NumberDataPointsByTimestampTypeValueParentID struct {
	// contains filtered or unexported fields
}

func SortNumberDataPointsByTimestampTypeValueParentID 

func SortNumberDataPointsByTimestampTypeValueParentID() *NumberDataPointsByTimestampTypeValueParentID

func (*NumberDataPointsByTimestampTypeValueParentID) Encode 

func (a *NumberDataPointsByTimestampTypeValueParentID) Encode(parentID uint16, dp *pmetric.NumberDataPoint) uint16

func (*NumberDataPointsByTimestampTypeValueParentID) Equal 

func (a *NumberDataPointsByTimestampTypeValueParentID) Equal(nbDP1, nbDP2 *pmetric.NumberDataPoint) bool

func (*NumberDataPointsByTimestampTypeValueParentID) Reset 

func (a *NumberDataPointsByTimestampTypeValueParentID) Reset()

func (*NumberDataPointsByTimestampTypeValueParentID) Sort 

func (a *NumberDataPointsByTimestampTypeValueParentID) Sort(dps []DP)

type NumberDataPointsByTypeValueTimestampParentID 

type NumberDataPointsByTypeValueTimestampParentID struct {
	// contains filtered or unexported fields
}

func SortNumberDataPointsByTypeValueTimestampParentID 

func SortNumberDataPointsByTypeValueTimestampParentID() *NumberDataPointsByTypeValueTimestampParentID

func (*NumberDataPointsByTypeValueTimestampParentID) Encode 

func (a *NumberDataPointsByTypeValueTimestampParentID) Encode(parentID uint16, dp *pmetric.NumberDataPoint) uint16

func (*NumberDataPointsByTypeValueTimestampParentID) Equal 

func (a *NumberDataPointsByTypeValueTimestampParentID) Equal(nbDP1, nbDP2 *pmetric.NumberDataPoint) bool

func (*NumberDataPointsByTypeValueTimestampParentID) Reset 

func (a *NumberDataPointsByTypeValueTimestampParentID) Reset()

func (*NumberDataPointsByTypeValueTimestampParentID) Sort 

func (a *NumberDataPointsByTypeValueTimestampParentID) Sort(dps []DP)

type QuantileValueBuilder 

type QuantileValueBuilder struct {
	// contains filtered or unexported fields
}

QuantileValueBuilder is a builder for a quantile value.

func QuantileValueBuilderFrom 

func QuantileValueBuilderFrom(ndpb *builder.StructBuilder) *QuantileValueBuilder

QuantileValueBuilderFrom creates a new QuantileValueBuilder from an existing StructBuilder.

func (*QuantileValueBuilder) Append 

func (b *QuantileValueBuilder) Append(sdp pmetric.SummaryDataPointValueAtQuantile) error

Append appends a new quantile value to the builder.

func (*QuantileValueBuilder) Build 

func (b *QuantileValueBuilder) Build() (*array.Struct, error)

Build builds the underlying array.

Once the array is no longer needed, Release() should be called to free the memory.

func (*QuantileValueBuilder) Release 

func (b *QuantileValueBuilder) Release()

Release releases the underlying memory.

type RelatedData 

type RelatedData struct {
	// contains filtered or unexported fields
}

RelatedData is a collection of related/dependent data to metrics entities.

func NewRelatedData 

func NewRelatedData(cfg *Config, stats *stats.ProducerStats, observer observer.ProducerObserver) (*RelatedData, error)

func (*RelatedData) AttrsBuilders 

func (r *RelatedData) AttrsBuilders() *AttrsBuilders

func (*RelatedData) BuildRecordMessages 

func (r *RelatedData) BuildRecordMessages() ([]*record_message.RecordMessage, error)

func (*RelatedData) EHistogramDPBuilder 

func (r *RelatedData) EHistogramDPBuilder() *EHistogramDataPointBuilder

func (*RelatedData) EHistogramExemplarBuilder 

func (r *RelatedData) EHistogramExemplarBuilder() *ExemplarBuilder

func (*RelatedData) HistogramDPBuilder 

func (r *RelatedData) HistogramDPBuilder() *HistogramDataPointBuilder

func (*RelatedData) HistogramExemplarBuilder 

func (r *RelatedData) HistogramExemplarBuilder() *ExemplarBuilder

func (*RelatedData) NextMetricScopeID 

func (r *RelatedData) NextMetricScopeID() uint16

func (*RelatedData) NumberDPBuilder 

func (r *RelatedData) NumberDPBuilder() *DataPointBuilder

func (*RelatedData) NumberDPExemplarBuilder 

func (r *RelatedData) NumberDPExemplarBuilder() *ExemplarBuilder

func (*RelatedData) RecordBuilderExt 

func (r *RelatedData) RecordBuilderExt(payloadType *carrow.PayloadType) *builder.RecordBuilderExt

func (*RelatedData) Release 

func (r *RelatedData) Release()

func (*RelatedData) Reset 

func (r *RelatedData) Reset()

func (*RelatedData) Schemas 

func (r *RelatedData) Schemas() []carrow.SchemaWithPayload

func (*RelatedData) SummaryDPBuilder 

func (r *RelatedData) SummaryDPBuilder() *SummaryDataPointBuilder

type ResourceMetricsStats 

type ResourceMetricsStats struct {
	TotalCount            int64
	Distribution          *hdrhistogram.Histogram
	ResMetricsIDsDistinct *hyperloglog.Sketch
	ResourceStats         *carrow.ResourceStats
	ScopeMetricsStats     *ScopeMetricsStats
	SchemaUrlStats        *carrow.SchemaUrlStats
}

func (*ResourceMetricsStats) ShowStats 

func (r *ResourceMetricsStats) ShowStats(indent string)

func (*ResourceMetricsStats) UpdateWith 

func (r *ResourceMetricsStats) UpdateWith(metrics *MetricsOptimized)

type ScopeMetricsStats 

type ScopeMetricsStats struct {
	Distribution            *hdrhistogram.Histogram
	ScopeMetricsIDsDistinct *hyperloglog.Sketch
	ScopeStats              *carrow.ScopeStats
	SchemaUrlStats          *carrow.SchemaUrlStats
	MetricsStats            *MetricsStats
}

func (*ScopeMetricsStats) ShowStats 

func (s *ScopeMetricsStats) ShowStats(indent string)

type SummariesByNothing 

type SummariesByNothing struct{}

func UnsortedSummaries 

func UnsortedSummaries() *SummariesByNothing

func (*SummariesByNothing) Encode 

func (a *SummariesByNothing) Encode(parentID uint16, _ *pmetric.SummaryDataPoint) uint16

func (*SummariesByNothing) Reset 

func (a *SummariesByNothing) Reset()

func (*SummariesByNothing) Sort 

func (a *SummariesByNothing) Sort(_ []Summary)

type SummariesByParentID 

type SummariesByParentID struct {
	// contains filtered or unexported fields
}

func SortSummariesByParentID 

func SortSummariesByParentID() *SummariesByParentID

func (*SummariesByParentID) Encode 

func (a *SummariesByParentID) Encode(parentID uint16, _ *pmetric.SummaryDataPoint) uint16

func (*SummariesByParentID) Reset 

func (a *SummariesByParentID) Reset()

func (*SummariesByParentID) Sort 

func (a *SummariesByParentID) Sort(summaries []Summary)

type Summary 

type Summary struct {
	ParentID uint16
	Orig     *pmetric.SummaryDataPoint
}

type SummaryAccumulator 

type SummaryAccumulator struct {
	// contains filtered or unexported fields
}

func NewSummaryAccumulator 

func NewSummaryAccumulator(sorter SummarySorter) *SummaryAccumulator

NewSummaryAccumulator creates a new SummaryAccumulator.

func (*SummaryAccumulator) Append 

func (a *SummaryAccumulator) Append(
	parentID uint16,
	summaries pmetric.SummaryDataPointSlice,
)

Append appends a slice of number data points to the accumulator.

func (*SummaryAccumulator) IsEmpty 

func (a *SummaryAccumulator) IsEmpty() bool

func (*SummaryAccumulator) Reset 

func (a *SummaryAccumulator) Reset()

type SummaryConfig 

type SummaryConfig struct {
	Sorter SummarySorter
}

type SummaryDataPointBuilder 

type SummaryDataPointBuilder struct {
	// contains filtered or unexported fields
}

SummaryDataPointBuilder is a builder for a summary data point.

func NewSummaryDataPointBuilder 

func NewSummaryDataPointBuilder(rBuilder *builder.RecordBuilderExt, conf *SummaryConfig) *SummaryDataPointBuilder

NewSummaryDataPointBuilder creates a new SummaryDataPointBuilder.

func (*SummaryDataPointBuilder) Accumulator 

func (b *SummaryDataPointBuilder) Accumulator() *SummaryAccumulator

func (*SummaryDataPointBuilder) Build 

func (b *SummaryDataPointBuilder) Build() (record arrow.Record, err error)

Build builds the underlying array.

Once the array is no longer needed, Release() should be called to free the memory.

func (*SummaryDataPointBuilder) IsEmpty 

func (b *SummaryDataPointBuilder) IsEmpty() bool

func (*SummaryDataPointBuilder) PayloadType 

func (b *SummaryDataPointBuilder) PayloadType() *carrow.PayloadType

func (*SummaryDataPointBuilder) Release 

func (b *SummaryDataPointBuilder) Release()

Release releases the underlying memory.

func (*SummaryDataPointBuilder) Reset 

func (b *SummaryDataPointBuilder) Reset()

func (*SummaryDataPointBuilder) Schema 

func (b *SummaryDataPointBuilder) Schema() *arrow.Schema

func (*SummaryDataPointBuilder) SchemaID 

func (b *SummaryDataPointBuilder) SchemaID() string

func (*SummaryDataPointBuilder) SetAttributesAccumulator 

func (b *SummaryDataPointBuilder) SetAttributesAccumulator(accu *carrow.Attributes32Accumulator)

func (*SummaryDataPointBuilder) TryBuild 

func (b *SummaryDataPointBuilder) TryBuild(attrsAccu *carrow.Attributes32Accumulator) (record arrow.Record, err error)

type SummarySorter 

type SummarySorter interface {
	Sort(summaries []Summary)
	Encode(parentID uint16, summary *pmetric.SummaryDataPoint) uint16
	Reset()
}

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