Database.KyotoCabinet.DB.CacheHash

Cache hash database.

On-memory database with definable size, and with a LRU algorithm for eviction.

• Persistence: volatile
• Algorithm: hash table
• Complexity: O(1)
• Sequence: undefined
• Lock unit: record (mutex)

Documentation

data CacheHash

Instances

WithDB CacheHash

Methods

getDB :: CacheHash -> DB

data CacheHashOptions

Constructors

CacheHashOptions

Fields

• options :: [Options]
• buckets :: Maybe Int64
• compressor :: Maybe Compressor
• maxRecords :: Maybe Int64
• maxSize :: Maybe Int64
• cipherKey :: Maybe String

Instances

Eq CacheHashOptions

Methods

(==) :: CacheHashOptions -> CacheHashOptions -> Bool

(/=) :: CacheHashOptions -> CacheHashOptions -> Bool

Ord CacheHashOptions

Methods

compare :: CacheHashOptions -> CacheHashOptions -> Ordering

(<) :: CacheHashOptions -> CacheHashOptions -> Bool

(<=) :: CacheHashOptions -> CacheHashOptions -> Bool

(>) :: CacheHashOptions -> CacheHashOptions -> Bool

(>=) :: CacheHashOptions -> CacheHashOptions -> Bool

max :: CacheHashOptions -> CacheHashOptions -> CacheHashOptions

min :: CacheHashOptions -> CacheHashOptions -> CacheHashOptions

Read CacheHashOptions

Methods

readsPrec :: Int -> ReadS CacheHashOptions

readList :: ReadS [CacheHashOptions]

readPrec :: ReadPrec CacheHashOptions

readListPrec :: ReadPrec [CacheHashOptions]

Show CacheHashOptions

Methods

showsPrec :: Int -> CacheHashOptions -> ShowS

show :: CacheHashOptions -> String

showList :: [CacheHashOptions] -> ShowS

defaultCacheHashOptions :: CacheHashOptions

data Compressor

Compression algorithm used. DEFLATE is the default one.

Constructors

Zlib

The raw zlib compressor

DEFLATE

zlib deflate compressor

Gz

zlib gzip compressor

LZO

LZO compressor

LZMA

LZMA compressor

Arc

Arcfour cipher

Instances

Eq Compressor

Methods

(==) :: Compressor -> Compressor -> Bool

(/=) :: Compressor -> Compressor -> Bool

Ord Compressor

Methods

compare :: Compressor -> Compressor -> Ordering

(<) :: Compressor -> Compressor -> Bool

(<=) :: Compressor -> Compressor -> Bool

(>) :: Compressor -> Compressor -> Bool

(>=) :: Compressor -> Compressor -> Bool

max :: Compressor -> Compressor -> Compressor

min :: Compressor -> Compressor -> Compressor

Read Compressor

Methods

readsPrec :: Int -> ReadS Compressor

readList :: ReadS [Compressor]

readPrec :: ReadPrec Compressor

readListPrec :: ReadPrec [Compressor]

Show Compressor

Methods

showsPrec :: Int -> Compressor -> ShowS

show :: Compressor -> String

showList :: [Compressor] -> ShowS

data Options

General tuning options

Constructors

Compress

Enable compression of the keys and the values

Instances

Eq Options

Methods

(==) :: Options -> Options -> Bool

(/=) :: Options -> Options -> Bool

Ord Options

Methods

compare :: Options -> Options -> Ordering

(<) :: Options -> Options -> Bool

(<=) :: Options -> Options -> Bool

(>) :: Options -> Options -> Bool

(>=) :: Options -> Options -> Bool

max :: Options -> Options -> Options

min :: Options -> Options -> Options

Read Options

Methods

readsPrec :: Int -> ReadS Options

readList :: ReadS [Options]

readPrec :: ReadPrec Options

readListPrec :: ReadPrec [Options]

Show Options

Methods

showsPrec :: Int -> Options -> ShowS

show :: Options -> String

showList :: [Options] -> ShowS

makeCacheHash :: LoggingOptions -> CacheHashOptions -> Mode -> IO CacheHash