:: DeveloperApi :: CompressionCodec allows the customization of choosing different compression implementations to be used in block storage.
:: DeveloperApi :: CompressionCodec allows the customization of choosing different compression implementations to be used in block storage.
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.
:: DeveloperApi :: LZ4 implementation of org.apache.spark.io.CompressionCodec.
:: DeveloperApi ::
LZ4 implementation of org.apache.spark.io.CompressionCodec.
Block size can be configured by spark.io.compression.lz4.blockSize
.
Note: The wire protocol for this codec is not guaranteed to be compatible across versions of Spark. This is intended for use as an internal compression utility within a single Spark application.
:: DeveloperApi :: LZF implementation of org.apache.spark.io.CompressionCodec.
:: DeveloperApi :: LZF implementation of org.apache.spark.io.CompressionCodec.
Note: The wire protocol for this codec is not guaranteed to be compatible across versions of Spark. This is intended for use as an internal compression utility within a single Spark application.
:: DeveloperApi :: Snappy implementation of org.apache.spark.io.CompressionCodec.
:: DeveloperApi ::
Snappy implementation of org.apache.spark.io.CompressionCodec.
Block size can be configured by spark.io.compression.snappy.blockSize
.
Note: The wire protocol for this codec is not guaranteed to be compatible across versions of Spark. This is intended for use as an internal compression utility within a single Spark application.
IO codecs used for compression. See org.apache.spark.io.CompressionCodec.