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parcacol

package
v0.21.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Feb 27, 2024 License: Apache-2.0 Imports: 35 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	ValuePerSecond  = "value_per_second"
	TimestampBucket = "timestamp_bucket"
)

Variables

This section is empty.

Functions

func BinaryFieldFromRecord added in v0.13.0 

func BinaryFieldFromRecord(ar arrow.Record, name string) (*array.Binary, error)

func BooleanFieldFromRecord added in v0.13.0 

func BooleanFieldFromRecord(ar arrow.Record, name string) (*array.Boolean, error)

func BuildArrowLocations added in v0.19.0 

func BuildArrowLocations(allocator memory.Allocator, stacktraces []*pb.Stacktrace, resolvedLocations []*profile.Location, locationIndex map[string]int) (arrow.Record, error)

func CreateDiffColumn added in v0.19.0 

func CreateDiffColumn(pool memory.Allocator, rows int) arrow.Array

func DictionaryFromRecord added in v0.16.0 

func DictionaryFromRecord(ar arrow.Record, name string) (*array.Dictionary, error)

func MatcherToBooleanExpression added in v0.13.0 

func MatcherToBooleanExpression(matcher *labels.Matcher) (logicalplan.Expr, error)

func MatchersToBooleanExpressions added in v0.13.0 

func MatchersToBooleanExpressions(matchers []*labels.Matcher) ([]logicalplan.Expr, error)

func ParquetBufToArrowRecord added in v0.17.0 

func ParquetBufToArrowRecord(ctx context.Context, mem memory.Allocator, buf *dynparquet.Buffer, s *dynparquet.Schema, rowsPerRecord uint) ([]arrow.Record, error)

ParquetBufToArrowRecord converts a parquet buffer to an arrow record. If rowsPerRecord is 0, then the entire buffer is converted to a single record.

func SampleToParquetRow added in v0.12.0 

func SampleToParquetRow(
	schema *dynparquet.Schema,
	row parquet.Row,
	labelNames, profileLabelNames, profileNumLabelNames []string,
	lset map[string]string,
	meta profile.Meta,
	s *profile.NormalizedSample,
) parquet.Row

SampleToParquetRow converts a sample to a Parquet row. The passed labels must be sorted.

func SeriesToArrowRecord added in v0.16.0 

func SeriesToArrowRecord(
	mem memory.Allocator,
	schema *dynparquet.Schema,
	series []normalizer.Series,
	labelNames, profileLabelNames, profileNumLabelNames []string,
) (arrow.Record, error)

func StringValueFromDictionary added in v0.16.0 

func StringValueFromDictionary(arr *array.Dictionary, i int) string

Types

type ArrowToProfileConverter added in v0.13.0 

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

func NewArrowToProfileConverter added in v0.13.0 

func NewArrowToProfileConverter(
	tracer trace.Tracer,
	keyMaker *metastore.KeyMaker,
) *ArrowToProfileConverter

func (*ArrowToProfileConverter) Convert added in v0.13.0 

func (c *ArrowToProfileConverter) Convert(
	ctx context.Context,
	p profile.Profile,
) (profile.OldProfile, error)

type Engine added in v0.13.0 

type Engine interface {
	ScanTable(name string) query.Builder
	ScanSchema(name string) query.Builder
}

type ErrMissingColumn added in v0.12.0 

type ErrMissingColumn struct {
	Column  string
	Columns int
}

func (ErrMissingColumn) Error added in v0.12.0 

func (e ErrMissingColumn) Error() string

type Ingester added in v0.12.0 

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

func NewIngester added in v0.12.0 

func NewIngester(
	logger log.Logger,
	mem memory.Allocator,
	table Table,
	schema *dynparquet.Schema,
) Ingester

func (Ingester) Close added in v0.21.0 

func (ing Ingester) Close() error

func (Ingester) Ingest added in v0.12.0 

func (ing Ingester) Ingest(ctx context.Context, req normalizer.NormalizedWriteRawRequest) error

type ProfileSymbolizer added in v0.19.0 

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

func NewProfileSymbolizer added in v0.19.0 

func NewProfileSymbolizer(
	tracer trace.Tracer,
	m pb.MetastoreServiceClient,
) *ProfileSymbolizer

func (*ProfileSymbolizer) SymbolizeNormalizedProfile added in v0.19.0 

func (s *ProfileSymbolizer) SymbolizeNormalizedProfile(ctx context.Context, p *profile.NormalizedProfile) (profile.OldProfile, error)

type Querier added in v0.13.0 

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

func NewQuerier added in v0.13.0 

func NewQuerier(
	logger log.Logger,
	tracer trace.Tracer,
	engine Engine,
	tableName string,
	symbolizer *ProfileSymbolizer,
	pool memory.Allocator,
) *Querier

func (*Querier) Labels added in v0.13.0 

func (q *Querier) Labels(
	ctx context.Context,
	match []string,
	start, end time.Time,
) ([]string, error)

func (*Querier) ProfileTypes added in v0.13.0 

func (q *Querier) ProfileTypes(
	ctx context.Context,
) ([]*pb.ProfileType, error)

func (*Querier) QueryMerge added in v0.13.0 

func (q *Querier) QueryMerge(ctx context.Context, query string, start, end time.Time, aggregateByLabels bool) (profile.Profile, error)

func (*Querier) QueryRange added in v0.13.0 

func (q *Querier) QueryRange(
	ctx context.Context,
	query string,
	startTime, endTime time.Time,
	step time.Duration,
	limit uint32,
) ([]*pb.MetricsSeries, error)

func (*Querier) QuerySingle added in v0.13.0 

func (q *Querier) QuerySingle(
	ctx context.Context,
	query string,
	time time.Time,
) (profile.Profile, error)

func (*Querier) SymbolizeArrowRecord added in v0.19.0 

func (q *Querier) SymbolizeArrowRecord(
	ctx context.Context,
	records []arrow.Record,
	valueColumnName string,
) ([]arrow.Record, error)

func (*Querier) Values added in v0.13.0 

func (q *Querier) Values(
	ctx context.Context,
	labelName string,
	match []string,
	start, end time.Time,
) ([]string, error)

type QueryParts added in v0.16.0 

type QueryParts struct {
	Meta     profile.Meta
	Delta    bool
	Matchers []*labels.Matcher
}

func ParseQuery added in v0.17.0 

func ParseQuery(query string) (QueryParts, error)

ParseQuery from a string into the QueryParts struct.

func QueryToFilterExprs added in v0.13.0 

func QueryToFilterExprs(query string) (QueryParts, []logicalplan.Expr, error)

type Table 

type Table interface {
	Schema() *dynparquet.Schema
	InsertRecord(context.Context, arrow.Record) (tx uint64, err error)
}

Source Files

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