Trait

org.apache.spark.io

CompressionCodec

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trait CompressionCodec extends AnyRef

:: DeveloperApi :: CompressionCodec allows the customization of choosing different compression implementations to be used in block storage.

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@DeveloperApi()
Note

The wire protocol for a codec is not guaranteed compatible across versions of Spark. This is intended for use as an internal compression utility within a single Spark application.

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AnyRef, Any
Known Subclasses
LZ4CompressionCodec, LZFCompressionCodec, SnappyCompressionCodec
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Abstract Value Members

  1. abstract def compress(input: Array[Byte], inputLen: Int): Array[Byte]

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  2. abstract def compressedInputStream(s: InputStream): InputStream

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  3. abstract def compressedOutputStream(s: OutputStream): OutputStream

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  4. abstract def decompress(input: Array[Byte], inputOffset: Int, inputLen: Int, outputLen: Int): Array[Byte]

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Concrete Value Members

  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. final def asInstanceOf[T0]: T0

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  5. def clone(): AnyRef

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

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  7. def equals(arg0: Any): Boolean

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  8. def finalize(): Unit

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

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  10. def hashCode(): Int

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  11. final def isInstanceOf[T0]: Boolean

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

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  13. final def notify(): Unit

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  14. final def notifyAll(): Unit

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

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  16. def toString(): String

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  17. final def wait(): Unit

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

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  19. final def wait(arg0: Long): Unit

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