lsm

package

v0.0.0-...-5090b74 Latest Latest Go to latest Published: May 10, 2019 License: GPL-3.0 Imports: 17 Imported by: 0

Details

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const (
	LsmNodeMagic = uint32(0x4CBDABDA)
	IoBlockSize  = 512
)

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var (
	ErrNotFound   = fmt.Errorf("Not found")
	ErrEmptyKey   = fmt.Errorf("Empty key")
	ErrEmptyValue = fmt.Errorf("Empty value")
)

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var (
	ErrLsmNodeBadMagic    = fmt.Errorf("Lsm node bad magic")
	ErrLsmNodeBadCheckSum = fmt.Errorf("Lsm node bad checksum")
)

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var (
	ErrDeleted = fmt.Errorf("Deleted")
)

This section is empty.

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

func NewLsm(log log.LogInterface, rootPath string) (*Lsm, error)

func OpenLsm(log log.LogInterface, rootPath string) (*Lsm, error)

func (lsm *Lsm) Background()

func (lsm *Lsm) Close()

func (lsm *Lsm) Delete(key string) error

func (lsm *Lsm) Get(key string) (string, error)

func (lsm *Lsm) Set(key string, value string) error

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

func (node *LsmNode) ReadFrom(f io.Reader) error

func (node *LsmNode) WriteTo(f io.Writer) error

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

func (st *SsTable) Close()

func (st *SsTable) Erase()

func (st *SsTable) Get(key string) (string, error)

func (currSt *SsTable) Merge(prevSt *SsTable, tmpFilePath string) error