tsdb

package

Go to main page

Versions in this module

v0

v0.10.0-rc2

Feb 2, 2016

v0.10.0-beta2

Jan 23, 2016

v0.10.0-beta1

Jan 13, 2016

v0.9.5-rc3

Nov 16, 2015

v0.9.3

Aug 26, 2015

Changes in this version

+ const DefaultCompactionThreshold

+ const DefaultEngine

+ const DefaultFlushColdInterval

+ const DefaultMaxSeriesSize

+ const DefaultPartitionSizeThreshold

+ const DefaultReadySeriesSize

+ var ErrFormatNotFound = errors.New("format not found")

+ func DedupeEntries(a [][]byte) [][]byte

+ func MakeKey(name []byte, tags Tags) []byte

+ func MarshalTags(tags map[string]string) []byte

+ func MeasurementFromSeriesKey(key string) string

+ func ProcessAggregateDerivative(results [][]interface{}, isNonNegative bool, interval time.Duration) [][]interface

+ func RegisterEngine(name string, fn NewEngineFunc)

+ type ByteSlices [][]byte

+ func (a ByteSlices) Len() int

+ func (a ByteSlices) Less(i, j int) bool

+ func (a ByteSlices) Swap(i, j int)

type Config

+ WALCompactionThreshold float64

+ WALDir string

+ WALEnableLogging bool

+ WALFlushColdInterval toml.Duration

+ WALMaxSeriesSize int

+ WALPartitionSizeThreshold uint64

+ WALReadySeriesSize int

+ type Cursor interface

+ Next func() (key, value []byte)

+ Seek func(seek []byte) (key, value []byte)

+ func MultiCursor(cursors ...Cursor) Cursor

type DatabaseIndex

+ func (d *DatabaseIndex) Names() []string

+ func (d *DatabaseIndex) Series(key string) *Series

+ func (d *DatabaseIndex) SeriesN() int

+ func (s *DatabaseIndex) CreateMeasurementIndexIfNotExists(name string) *Measurement

+ func (s *DatabaseIndex) CreateSeriesIndexIfNotExists(measurementName string, series *Series) *Series

+ func (s *DatabaseIndex) TagsForSeries(key string) map[string]string

+ type Engine interface

+ Begin func(writable bool) (Tx, error)

+ Close func() error

+ DeleteMeasurement func(name string, seriesKeys []string) error

+ DeleteSeries func(keys []string) error

+ LoadMetadataIndex func(index *DatabaseIndex, measurementFields map[string]*MeasurementFields) error

+ Open func() error

+ SeriesCount func() (n int, err error)

+ SetLogOutput func(io.Writer)

+ WritePoints func(points []Point, measurementFieldsToSave map[string]*MeasurementFields, ...) error

+ func NewEngine(path string, walPath string, options EngineOptions) (Engine, error)

+ type EngineOptions struct

+ Config Config

+ EngineVersion string

+ MaxWALSize int

+ WALFlushInterval time.Duration

+ WALPartitionFlushDelay time.Duration

+ func NewEngineOptions() EngineOptions

type Executor

+ func NewExecutor(stmt *influxql.SelectStatement, mappers []Mapper, chunkSize int) *Executor

+ type Field struct

+ ID uint8

+ Name string

+ Type influxql.DataType

type FieldCodec

+ func NewFieldCodec(fields map[string]*Field) *FieldCodec

+ type FieldCreate struct

+ Field *Field

+ Measurement string

+ type LocalMapper struct

+ func NewLocalMapper(shard *Shard, stmt influxql.Statement, chunkSize int) *LocalMapper

+ func (lm *LocalMapper) Close()

+ func (lm *LocalMapper) Fields() []string

+ func (lm *LocalMapper) NextChunk() (interface{}, error)

+ func (lm *LocalMapper) Open() error

+ func (lm *LocalMapper) TagSets() []string

type Mapper

+ Fields func() []string

+ type MapperOutput struct

+ Fields []string

+ Name string

+ Tags map[string]string

+ Values []*MapperValue

+ type MapperValue struct

+ Tags map[string]string

+ Time int64

+ Value interface{}

+ type MapperValues []*MapperValue

+ func (a MapperValues) Len() int

+ func (a MapperValues) Less(i, j int) bool

+ func (a MapperValues) Swap(i, j int)

type Measurement

+ func (m *Measurement) SeriesByID(id uint64) *Series

+ func (m *Measurement) SetFieldName(name string)

+ type MeasurementFields struct

+ Codec *FieldCodec

+ Fields map[string]*Field

+ func (m *MeasurementFields) CreateFieldIfNotExists(name string, typ influxql.DataType) error

+ func (m *MeasurementFields) MarshalBinary() ([]byte, error)

+ func (m *MeasurementFields) UnmarshalBinary(buf []byte) error

+ type NewEngineFunc func(path string, walPath string, options EngineOptions) Engine

+ type Points []Point

+ func (a Points) Len() int

+ func (a Points) Less(i, j int) bool

+ func (a Points) Swap(i, j int)

type QueryExecutor

+ Store *Store

+ func (q *QueryExecutor) Plan(stmt *influxql.SelectStatement, chunkSize int) (*Executor, error)

+ type RawQueryDerivativeProcessor struct

+ DerivativeInterval time.Duration

+ IsNonNegative bool

+ LastValueFromPreviousChunk *MapperValue

+ func (rqdp *RawQueryDerivativeProcessor) Process(input []*MapperValue) []*MapperValue

type Series

+ func NewSeries(key string, tags map[string]string) *Series

+ func (s *Series) InitializeShards()

+ type SeriesCreate struct

+ Measurement string

+ Series *Series

+ type SeriesIDs []uint64

+ func (a SeriesIDs) Equals(other SeriesIDs) bool

+ func (a SeriesIDs) Intersect(other SeriesIDs) SeriesIDs

+ func (a SeriesIDs) Len() int

+ func (a SeriesIDs) Less(i, j int) bool

+ func (a SeriesIDs) Reject(other SeriesIDs) SeriesIDs

+ func (a SeriesIDs) Swap(i, j int)

+ func (a SeriesIDs) Union(other SeriesIDs) SeriesIDs

type Shard

+ func (s *Shard) DeleteMeasurement(name string, seriesKeys []string) error

+ func (s *Shard) DeleteSeries(keys []string) error

type Store

+ EngineOptions EngineOptions

+ func (s *Store) DatabaseIndexN() int

+ func (s *Store) ShardN() int

type Tags

+ func (t Tags) HashKey() []byte

+ type Tx interface

+ Commit func() error

+ Cursor func(series string) Cursor

+ Rollback func() error

+ Size func() int64

v0.9.2

Jul 24, 2015

Changes in this version

+ const DefaultMaxWALSize

+ const DefaultWALFlushInterval

+ const DefaultWALPartitionFlushDelay

+ const IgnoredChunkSize

+ const MaxGroupByPoints

+ const SelectColumnCountWithOneValue

+ const WALPartitionN

+ var ErrFieldNotFound = errors.New("field not found")

+ var ErrFieldOverflow = errors.New("field overflow")

+ var ErrFieldTypeConflict = errors.New("field type conflict")

+ var ErrFieldUnmappedID = errors.New("field ID not mapped")

+ var ErrInvalidQuery = errors.New("invalid query")

+ var ErrNotExecuted = errors.New("not executed")

+ var ErrShardNotFound = fmt.Errorf("shard not found")

+ var ErrWALPartitionNotFound = errors.New("wal partition not found")

+ func ErrDatabaseNotFound(name string) error

+ func ErrMeasurementNotFound(name string) error

+ func IsRetryable(err error) bool

+ func NewSnapshotWriter(meta []byte, store *Store) (*snapshot.Writer, error)

+ func NopWriteToCloser(w io.WriterTo) interface

+ func WALPartition(key []byte) uint8

+ type AggMapper struct

+ func NewAggMapper(shard *Shard, stmt *influxql.SelectStatement) *AggMapper

+ func (am *AggMapper) Close()

+ func (am *AggMapper) NextChunk() (interface{}, error)

+ func (am *AggMapper) Open() error

+ func (am *AggMapper) TagSets() []string

+ type AggregateExecutor struct

+ func NewAggregateExecutor(stmt *influxql.SelectStatement, mappers []Mapper) *AggregateExecutor

+ func (ae *AggregateExecutor) Execute() <-chan *influxql.Row

+ type Config struct

+ Dir string

+ MaxWALSize int

+ WALFlushInterval toml.Duration

+ WALPartitionFlushDelay toml.Duration

+ func NewConfig() Config

+ type DatabaseIndex struct

+ func NewDatabaseIndex() *DatabaseIndex

+ func (d *DatabaseIndex) Measurement(name string) *Measurement

+ func (d *DatabaseIndex) MeasurementSeriesCounts() (nMeasurements int, nSeries int)

+ func (db *DatabaseIndex) DropMeasurement(name string)

+ func (db *DatabaseIndex) DropSeries(keys []string)

+ func (db *DatabaseIndex) Measurements() Measurements

+ type ErrAuthorize struct

+ func NewErrAuthorize(qe *QueryExecutor, q *influxql.Query, u, db, m string) *ErrAuthorize

+ func (e ErrAuthorize) Error() string

+ type Executor interface

+ Execute func() <-chan *influxql.Row

+ type FieldCodec struct

+ func (f *FieldCodec) DecodeByID(targetID uint8, b []byte) (interface{}, error)

+ func (f *FieldCodec) DecodeByName(name string, b []byte) (interface{}, error)

+ func (f *FieldCodec) DecodeFields(b []byte) (map[uint8]interface{}, error)

+ func (f *FieldCodec) DecodeFieldsWithNames(b []byte) (map[string]interface{}, error)

+ func (f *FieldCodec) EncodeFields(values map[string]interface{}) ([]byte, error)

+ func (f *FieldCodec) FieldIDByName(s string) (uint8, error)

+ type Fields map[string]interface

+ func (p Fields) MarshalBinary() []byte

+ type Mapper interface

+ Close func()

+ NextChunk func() (interface{}, error)

+ Open func() error

+ TagSets func() []string

+ type MapperResponse struct

+ Data []byte

+ TagSets []string

+ type Measurement struct

+ Name string

+ func NewMeasurement(name string, idx *DatabaseIndex) *Measurement

+ func (m *Measurement) AddSeries(s *Series) bool

+ func (m *Measurement) DropSeries(seriesID uint64)

+ func (m *Measurement) FieldNames() (a []string)

+ func (m *Measurement) HasField(name string) bool

+ func (m *Measurement) HasSeries() bool

+ func (m *Measurement) HasTagKey(k string) bool

+ func (m *Measurement) SeriesKeys() []string

+ func (m *Measurement) TagKeys() []string

+ func (m *Measurement) TagSets(stmt *influxql.SelectStatement, dimensions []string) ([]*influxql.TagSet, error)

+ func (m *Measurement) ValidateGroupBy(stmt *influxql.SelectStatement) error

+ type Measurements []*Measurement

+ func (a Measurements) Len() int

+ func (a Measurements) Less(i, j int) bool

+ func (a Measurements) Swap(i, j int)

+ type Monitor struct

+ Store interface{}

+ func (m *Monitor) Close() error

+ func (m *Monitor) Open() error

+ type Point interface

+ AddField func(name string, value interface{})

+ AddTag func(key, value string)

+ Data func() []byte

+ Fields func() Fields

+ HashID func() uint64

+ Key func() []byte

+ Name func() string

+ SetData func(buf []byte)

+ SetName func(string)

+ SetTags func(tags Tags)

+ SetTime func(t time.Time)

+ String func() string

+ Tags func() Tags

+ Time func() time.Time

+ UnixNano func() int64

+ func NewPoint(name string, tags Tags, fields Fields, time time.Time) Point

+ func ParsePoints(buf []byte) ([]Point, error)

+ func ParsePointsString(buf string) ([]Point, error)

+ func ParsePointsWithPrecision(buf []byte, defaultTime time.Time, precision string) ([]Point, error)

+ type PointBatcher struct

+ func NewPointBatcher(sz int, d time.Duration) *PointBatcher

+ func (b *PointBatcher) Flush()

+ func (b *PointBatcher) In() chan<- Point

+ func (b *PointBatcher) Out() <-chan []Point

+ func (b *PointBatcher) Start()

+ func (b *PointBatcher) Stats() *PointBatcherStats

+ func (b *PointBatcher) Stop()

+ type PointBatcherStats struct

+ BatchTotal uint64

+ PointTotal uint64

+ SizeTotal uint64

+ TimeoutTotal uint64

+ type QueryExecutor struct

+ Logger *log.Logger

+ MetaStatementExecutor interface{ ... }

+ MetaStore interface{ ... }

+ ShardMapper interface{ ... }

+ func NewQueryExecutor(store *Store) *QueryExecutor

+ func (q *QueryExecutor) Authorize(u *meta.UserInfo, query *influxql.Query, database string) error

+ func (q *QueryExecutor) ExecuteQuery(query *influxql.Query, database string, chunkSize int) (<-chan *influxql.Result, error)

+ type RawExecutor struct

+ func NewRawExecutor(stmt *influxql.SelectStatement, mappers []Mapper, chunkSize int) *RawExecutor

+ func (re *RawExecutor) Execute() <-chan *influxql.Row

+ type RawMapper struct

+ func NewRawMapper(shard *Shard, stmt *influxql.SelectStatement, chunkSize int) *RawMapper

+ func (rm *RawMapper) Close()

+ func (rm *RawMapper) NextChunk() (interface{}, error)

+ func (rm *RawMapper) Open() error

+ func (rm *RawMapper) TagSets() []string

+ type Series struct

+ Key string

+ Tags map[string]string

+ func (s *Series) MarshalBinary() ([]byte, error)

+ func (s *Series) UnmarshalBinary(buf []byte) error

+ type Shard struct

+ LogOutput io.Writer

+ MaxWALSize int

+ WALFlushInterval time.Duration

+ WALPartitionFlushDelay time.Duration

+ func NewShard(index *DatabaseIndex, path string) *Shard

+ func (s *Shard) Close() error

+ func (s *Shard) DB() *bolt.DB

+ func (s *Shard) FieldCodec(measurementName string) *FieldCodec

+ func (s *Shard) Flush(partitionFlushDelay time.Duration) error

+ func (s *Shard) FlushPartition(partitionID uint8) error

+ func (s *Shard) Open() error

+ func (s *Shard) Path() string

+ func (s *Shard) SeriesCount() (n int, err error)

+ func (s *Shard) ValidateAggregateFieldsInStatement(measurementName string, stmt *influxql.SelectStatement) error

+ func (s *Shard) WritePoints(points []Point) error

+ type StatefulMapper struct

+ func (srm *StatefulMapper) NextChunk() (*mapperOutput, error)

+ type Store struct

+ Logger *log.Logger

+ MaxWALSize int

+ WALFlushInterval time.Duration

+ WALPartitionFlushDelay time.Duration

+ func NewStore(path string) *Store

+ func (s *Store) Close() error

+ func (s *Store) CreateMapper(shardID uint64, query string, chunkSize int) (Mapper, error)

+ func (s *Store) CreateShard(database, retentionPolicy string, shardID uint64) error

+ func (s *Store) DatabaseIndex(name string) *DatabaseIndex

+ func (s *Store) DeleteDatabase(name string, shardIDs []uint64) error

+ func (s *Store) DeleteShard(shardID uint64) error

+ func (s *Store) Flush() error

+ func (s *Store) Measurement(database, name string) *Measurement

+ func (s *Store) Open() error

+ func (s *Store) Path() string

+ func (s *Store) Shard(shardID uint64) *Shard

+ func (s *Store) ShardIDs() []uint64

+ func (s *Store) ValidateAggregateFieldsInStatement(shardID uint64, measurementName string, stmt *influxql.SelectStatement) error

+ func (s *Store) WriteToShard(shardID uint64, points []Point) error

+ type TagFilter struct

+ Key string

+ Op influxql.Token

+ Regex *regexp.Regexp

+ Value string

+ type Tags map[string]string

v0.9.1-rc2

Jul 1, 2015

v0.9.0-rc33

Jun 10, 2015

?	: This menu
/	: Search site
f or F	: Jump to
y or Y	: Canonical URL