append_log

Documentation

Overview

Append-only, sequential, crash-safe log.

The main interesting feature is that the log supports multi-block atomic appends, which are implemented by atomically updating an on-disk header with the number of valid blocks in the log.

Index

• type Log
  • func Init(diskSz uint64) (*Log, bool)
  • func Open() *Log
  • func (log *Log) Append(bks []disk.Block) bool
  • func (log *Log) Get(i uint64) (disk.Block, bool)
  • func (log *Log) Reset()

Types

type Log

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

func Init

func Init(diskSz uint64) (*Log, bool)

func Open

func Open() *Log

func (*Log) Append

func (log *Log) Append(bks []disk.Block) bool

func (*Log) Get

func (log *Log) Get(i uint64) (disk.Block, bool)

func (*Log) Reset

func (log *Log) Reset()