Class SSTManager

Index

Constructors

Properties

#column #dirHandle #interval #levels #levelsMutex #options

Methods

#closeOldFiles #enableInterval clear close flushToDisk get hasKey init mayHasKey mergeAndCompact ping setPath stats defaultOptions

Constructors

constructor

new SSTManager(options, column): SSTManager
Parameters
- options: Partial<ISSTMangerOptions>
- column: Column
Returns SSTManager
- Defined in src/managers/SST.ts:25

Properties

`Private` #column

#column: Column

`Private` #dirHandle

#dirHandle: FileHandle[] = []

`Private` #interval

#interval: null | Timeout = null

`Private` #levels

#levels: SSTFile[][]

`Private` #levelsMutex

#levelsMutex: Mutex[] = []

`Private` #options

#options: ISSTMangerOptions

Methods

`Private` #closeOldFiles

#closeOldFiles(data): Promise<void>
Parameters
- data: {
  files: string[];
  level: number;
  }
  - files: string[]
  - level: number
Returns Promise<void>
- Defined in src/managers/SST.ts:169

`Private` #enableInterval

#enableInterval(): Promise<void>
Returns Promise<void>
- Defined in src/managers/SST.ts:59

clear

clear(): Promise<void>
Returns Promise<void>
- Defined in src/managers/SST.ts:113

close

close(): Promise<void>
Returns Promise<void>
- Defined in src/managers/SST.ts:244

flushToDisk

flushToDisk(data, level?): Promise<void>
Parameters
- data: Uint8Array[]
- level: number = 0
Returns Promise<void>
- Defined in src/managers/SST.ts:119

get

get(key): Promise<null | DataNode>
Parameters
- key: PossibleKeyType
Returns Promise<null | DataNode>
- Defined in src/managers/SST.ts:132

hasKey

hasKey(key): Promise<boolean>
Parameters
- key: PossibleKeyType
Returns Promise<boolean>
- Defined in src/managers/SST.ts:149

init

init(): Promise<void>
Returns Promise<void>
- Defined in src/managers/SST.ts:73

mayHasKey

mayHasKey(key): boolean
Parameters
- key: PossibleKeyType
Returns boolean
- Defined in src/managers/SST.ts:162

mergeAndCompact

mergeAndCompact(level?): Promise<void>
write a worker thread to handle merge and compact with mutex lock
Parameters
- level: number = 0
Returns Promise<void>
- Defined in src/managers/SST.ts:190

ping

ping(): Promise<number>
Returns Promise<number>
- Defined in src/managers/SST.ts:266

setPath

setPath(path): void
Parameters
- path: string
Returns void
- Defined in src/managers/SST.ts:55

stats

stats(): Promise<{
    count: number;
    level: number;
    ssts: {
        bloomFilterSize: number;
        btreeSize: number;
        fileSize: number;
        kvCount: number;
    }[];
}[]>
Returns Promise<{
    count: number;
    level: number;
    ssts: {
        bloomFilterSize: number;
        btreeSize: number;
        fileSize: number;
        kvCount: number;
    }[];
}[]>
- Defined in src/managers/SST.ts:252

`Static` defaultOptions

defaultOptions(): ISSTMangerOptions
Returns ISSTMangerOptions
- Defined in src/managers/SST.ts:37