model

package
v0.0.0-...-50680d5 Latest Latest
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 Go to latest Published: Sep 5, 2022 License: Apache-2.0 Imports: 3 Imported by: 0

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Constants

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Variables

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Functions

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Types

type Hint 

type Hint struct {
	Value  []byte
	FileID int64
	Meta   *MetaData
}

Hint 内存中 Key 的映射

type LogEntry 

type LogEntry struct {
	Key   []byte
	Value []byte

	Meta *MetaData
	// contains filtered or unexported fields
}

Entry 写入日志文件的操作记录实体

func (*LogEntry) Encode 

func (e *LogEntry) Encode() []byte

func (*LogEntry) GetCrc 

func (e *LogEntry) GetCrc(buf []byte) uint32

GetCrc 重新计算 Entry 的 crc 的校验值

func (*LogEntry) Size 

func (e *LogEntry) Size() uint64

type MetaData 

type MetaData struct {
	Timestamp uint64
	TTL       uint32
	Position  uint64
	KeySize   uint32
	ValueSize uint32
	OptType   uint16 //  表示日志记录的操作类型: SET / DELETE
}

MetaData 日志记录的元数据

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