Object

swaydb.eventually.persistent

Map

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object Map extends LazyLogging

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  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. def apply[K, V](dir: Path, maxOpenSegments: Int = 1000, mapSize: Int = 4.mb, maxMemoryLevelSize: Int = 100.mb, maxSegmentsToPush: Int = 5, memoryLevelSegmentSize: Int = 2.mb, persistentLevelSegmentSize: Int = 4.mb, persistentLevelAppendixFlushCheckpointSize: Int = 2.mb, mmapPersistentSegments: MMAP = MMAP.WriteAndRead, mmapPersistentAppendix: Boolean = true, cacheSize: Int = 100.mb, otherDirs: Seq[Dir] = Seq.empty, cacheCheckDelay: FiniteDuration = 5.seconds, segmentsOpenCheckDelay: FiniteDuration = 5.seconds, bloomFilterFalsePositiveRate: Double = 0.01, compressDuplicateValues: Boolean = true, deleteSegmentsEventually: Boolean = false, groupingStrategy: Option[KeyValueGroupingStrategy] = Some(DefaultGroupingStrategy()), acceleration: (Level0Meter) ⇒ Accelerator = Accelerator.noBrakes())(implicit keySerializer: Serializer[K], valueSerializer: Serializer[V], keyOrder: KeyOrder[Slice[Byte]] = KeyOrder.default, ec: ExecutionContext = SwayDB.defaultExecutionContext): IO[Map[K, V, IO]]

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    A 3 Leveled in-memory database where the 3rd is persistent.

    A 3 Leveled in-memory database where the 3rd is persistent.

    For custom configurations read documentation on website: http://www.swaydb.io/configuring-levels

    K

    Type of key

    V

    Type of value

    dir

    Root directory for all Level where appendix folder & files are created

    maxOpenSegments

    Number of concurrent Segments opened

    mapSize

    Size of LevelZero's maps (WAL)

    maxMemoryLevelSize

    Total size of in-memory Level (Level1) before Segments gets pushed to persistent Level (Level2)

    maxSegmentsToPush

    Numbers of Segments to push from in-memory Level (Level1) to persistent Level (Level2)

    memoryLevelSegmentSize

    Size of Level1's Segments

    persistentLevelSegmentSize

    Size of Level2's Segments

    mmapPersistentSegments

    Memory-maps Level2 Segments

    mmapPersistentAppendix

    Memory-maps Level2's appendix file

    cacheSize

    Size of

    otherDirs

    Secondary directories for all Levels where Segments get distributed.

    cacheCheckDelay

    Sets the max interval at which key-values get dropped from the cache. The delays are dynamically adjusted based on the current size of the cache to stay close the set cacheSize.

    segmentsOpenCheckDelay

    Sets the max interval at which Segments get closed. The delays are dynamically adjusted based on the current number of open Segments.

    acceleration

    Controls the write speed.

    keySerializer

    Converts keys to Bytes

    valueSerializer

    Converts values to Bytes

    keyOrder

    Sort order for keys

    ec

    ExecutionContext

    returns

    Database instance

  5. final def asInstanceOf[T0]: T0

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  6. def clone(): AnyRef

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  7. final def eq(arg0: AnyRef): Boolean

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  8. def equals(arg0: Any): Boolean

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  9. implicit val functionStore: FunctionStore

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  10. final def getClass(): Class[_]

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  11. def hashCode(): Int

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  12. final def isInstanceOf[T0]: Boolean

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  13. lazy val logger: Logger

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  14. final def ne(arg0: AnyRef): Boolean

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  15. final def notify(): Unit

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  16. final def notifyAll(): Unit

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  17. final def synchronized[T0](arg0: ⇒ T0): T0

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  18. implicit val timeOrder: TimeOrder[Slice[Byte]]

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  19. def toString(): String

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  20. final def wait(arg0: Long, arg1: Int): Unit

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  22. final def wait(): Unit

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Deprecated Value Members

  1. def finalize(): Unit

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    @Deprecated @deprecated @throws( classOf[java.lang.Throwable] )
    Deprecated

    (Since version ) see corresponding Javadoc for more information.

Inherited from LazyLogging

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