wal

Feb 11, 2023

Changes in this version

+ const ALIGN_SIZE — darwin/amd64, linux/amd64

+ const BLOCK_SIZE — darwin/amd64, linux/amd64

+ const O_DIRECT — linux/amd64

+ var ErrNotSetDirectIO = errors.New("O_DIRECT flag is absent") — linux/amd64

+ type DirectIO struct — linux/amd64

+ func New(f *os.File) (*DirectIO, error)

+ func (d *DirectIO) Available() int

+ func (d *DirectIO) Buffered() int

+ func (d *DirectIO) Flush() error

+ func (d *DirectIO) Write(p []byte) (nn int, err error)

Feb 9, 2023

Changes in this version

+ type DirectFile struct — linux/amd64

+ func (d *DirectFile) Close() error

+ func (d *DirectFile) Read(p []byte) (n int, err error)

+ func (d *DirectFile) Seek(offset int64, whence int) (int64, error)

+ func (d *DirectFile) Sync() error

+ func (d *DirectFile) Write(p []byte) (n int, err error)

+ type File interface

+ Sync func() error

+ func NewReader(name string, flag int, perm os.FileMode) (File, error)

+ func NewWriter(name string, flag int, perm os.FileMode) (File, error)

Feb 9, 2023

Changes in this version

+ var DefaultOptions = &Options

+ var ErrClosed = errors.New("log closed")

+ var ErrCorrupt = errors.New("log corrupt")

+ var ErrNotFound = errors.New("not found")

+ var ErrOutOfOrder = errors.New("out of order")

+ var ErrOutOfRange = errors.New("out of range")

+ func ReadFile(name string) ([]byte, error)

+ func Write(file *os.File, data []byte) error

+ type Batch struct

+ func (b *Batch) Clear()

+ func (b *Batch) Write(index uint64, data []byte)

+ type Log struct

+ func Open(path string, opts *Options) (*Log, error)

+ func (l *Log) ClearCache() error

+ func (l *Log) Close() error

+ func (l *Log) FirstIndex() (index uint64, err error)

+ func (l *Log) LastIndex() (index uint64, err error)

+ func (l *Log) Read(index uint64) (data []byte, err error)

+ func (l *Log) Sync() error

+ func (l *Log) TruncateBack(index uint64) error

+ func (l *Log) TruncateFront(index uint64) error

+ func (l *Log) Write(index uint64, data []byte) error

+ func (l *Log) WriteBatch(b *Batch) error

+ type LogFormat byte

+ const Binary

+ const JSON

+ type Options struct

+ DirPerms os.FileMode

+ FilePerms os.FileMode

+ LogFormat LogFormat

+ NoCopy bool

+ NoSync bool

+ SegmentCacheSize int

+ SegmentSize int