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commitlog

package module

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Versions in this module

v1

v1.2.11

Jan 13, 2021

v1.2.10

Jan 12, 2021

v1.2.9

Jan 12, 2021

v1.2.8

Jan 10, 2021

v1.2.7

Jan 9, 2021

v1.2.6

Dec 23, 2020

v1.2.5

Dec 22, 2020

Changes in this version

+ const EntryHeaderSize

+ var ErrCorruptedEntry = errors.New("entry corrupted")

+ var ErrCorruptedLog = errors.New("corrupted commitlog")

+ var ErrEntryTooBig = errors.New("entry is too big")

+ var ErrFSyncFailed = errors.New("file sync failed")

+ var ErrIndexAlreadyExists = errors.New("index already exists")

+ var ErrIndexClosed = errors.New("index closed")

+ var ErrIndexCorrupt = errors.New("index corrupt")

+ var ErrIndexDoesNotExist = errors.New("index does not exist")

+ var ErrInvalidBufferSize = errors.New("invalid buffer size")

+ var ErrInvalidIndexValue = errors.New("value to index does not respect size limit")

+ var ErrInvalidOffsetTooBig = errors.New("invalid offset: offset is too big")

+ var ErrInvalidOffsetTooShort = errors.New("invalid offset: offset is too short")

+ var ErrMMapFailed = errors.New("mmap failed")

+ var ErrMSyncFailed = errors.New("mmap sync failed")

+ var ErrSegmentAlreadyExists = errors.New("segment already exists")

+ var ErrSegmentCorrupt = errors.New("segment corrupted")

+ var ErrSegmentDoesNotExist = errors.New("segment does not exist")

+ var ErrSegmentFull = errors.New("segment is full")

+ var MaxEntrySize uint64 = 20000000

+ func WithMaxSegmentCount(i int) createOpt

+ type CommitLog interface

+ Datadir func() string

+ Delete func() error

+ GetStatistics func() Statistics

+ Latest func() uint64

+ LookupTimestamp func(ts uint64) uint64

+ Offset func() uint64

+ Reader func() Cursor

+ TruncateAfter func(offset uint64) error

+ TruncateBefore func(offset uint64) error

+ WriteEntry func(ts uint64, value []byte) (uint64, error)

+ func Open(datadir string, segmentMaxRecordCount uint64, opts ...createOpt) (CommitLog, error)

+ type Cursor interface

+ type Decoder interface

+ Decode func() (Entry, error)

+ func NewDecoder(r io.Reader) Decoder

+ type Entry interface

+ Checksum func() []byte

+ IsValid func() bool

+ Offset func() uint64

+ Payload func() []byte

+ Size func() uint64

+ Timestamp func() uint64

+ type Index interface

+ FilePath func() string

+ Name func() string

+ Sync func() error

+ type Segment interface

+ BaseOffset func() uint64

+ CurrentOffset func() uint64

+ Delete func() error

+ Earliest func() uint64

+ Latest func() uint64

+ LookupPosition func(offset uint64) (int64, error)

+ LookupTimestamp func(ts uint64) uint64

+ Name func() string

+ Size func() uint64

+ TruncateAfter func(offset uint64) error

+ WriteEntry func(ts uint64, buf []byte) (uint64, error)

+ type Statistics struct

+ CurrentOffset uint64

+ SegmentCount uint64

+ StoredBytes uint64

v1.2.4

Oct 25, 2020