Uses of Interface
org.apache.hadoop.io.compress.CompressionCodec

Packages that use CompressionCodec
org.apache.hadoop.io Generic i/o code for use when reading and writing data to the network, to databases, and to files. 
org.apache.hadoop.io.compress   
org.apache.hadoop.mapred A software framework for easily writing applications which process vast amounts of data (multi-terabyte data-sets) parallelly on large clusters (thousands of nodes) built of commodity hardware in a reliable, fault-tolerant manner. 
org.apache.hadoop.mapreduce.lib.output   
 

Uses of CompressionCodec in org.apache.hadoop.io
 

Methods in org.apache.hadoop.io that return CompressionCodec
 CompressionCodec SequenceFile.Writer.getCompressionCodec()
          Returns the compression codec of data in this file.
 CompressionCodec SequenceFile.Reader.getCompressionCodec()
          Returns the compression codec of data in this file.
 

Methods in org.apache.hadoop.io with parameters of type CompressionCodec
static SequenceFile.Writer SequenceFile.createWriter(Configuration conf, FSDataOutputStream out, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType, CompressionCodec codec)
          Construct the preferred type of 'raw' SequenceFile Writer.
static SequenceFile.Writer SequenceFile.createWriter(Configuration conf, FSDataOutputStream out, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType, CompressionCodec codec, SequenceFile.Metadata metadata)
          Construct the preferred type of 'raw' SequenceFile Writer.
static SequenceFile.Writer SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, int bufferSize, short replication, long blockSize, boolean createParent, SequenceFile.CompressionType compressionType, CompressionCodec codec, SequenceFile.Metadata metadata)
          Construct the preferred type of SequenceFile Writer.
static SequenceFile.Writer SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, int bufferSize, short replication, long blockSize, SequenceFile.CompressionType compressionType, CompressionCodec codec, Progressable progress, SequenceFile.Metadata metadata)
          Construct the preferred type of SequenceFile Writer.
static SequenceFile.Writer SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType, CompressionCodec codec)
          Construct the preferred type of SequenceFile Writer.
static SequenceFile.Writer SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType, CompressionCodec codec, Progressable progress)
          Construct the preferred type of SequenceFile Writer.
static SequenceFile.Writer SequenceFile.createWriter(FileSystem fs, Configuration conf, Path name, Class keyClass, Class valClass, SequenceFile.CompressionType compressionType, CompressionCodec codec, Progressable progress, SequenceFile.Metadata metadata)
          Construct the preferred type of SequenceFile Writer.
 

Constructors in org.apache.hadoop.io with parameters of type CompressionCodec
BloomMapFile.Writer(Configuration conf, FileSystem fs, String dirName, Class<? extends WritableComparable> keyClass, Class<? extends Writable> valClass, SequenceFile.CompressionType compress, CompressionCodec codec, Progressable progress)
           
BloomMapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass, SequenceFile.CompressionType compress, CompressionCodec codec, Progressable progress)
           
MapFile.Writer(Configuration conf, FileSystem fs, String dirName, Class<? extends WritableComparable> keyClass, Class valClass, SequenceFile.CompressionType compress, CompressionCodec codec, Progressable progress)
          Create the named map for keys of the named class.
MapFile.Writer(Configuration conf, FileSystem fs, String dirName, WritableComparator comparator, Class valClass, SequenceFile.CompressionType compress, CompressionCodec codec, Progressable progress)
          Create the named map using the named key comparator.
 

Uses of CompressionCodec in org.apache.hadoop.io.compress
 

Subinterfaces of CompressionCodec in org.apache.hadoop.io.compress
 interface SplittableCompressionCodec
          This interface is meant to be implemented by those compression codecs which are capable to compress / decompress a stream starting at any arbitrary position.
 

Classes in org.apache.hadoop.io.compress that implement CompressionCodec
 class BZip2Codec
          This class provides CompressionOutputStream and CompressionInputStream for compression and decompression.
 class DefaultCodec
           
 class GzipCodec
          This class creates gzip compressors/decompressors.
 class SnappyCodec
          This class creates snappy compressors/decompressors.
 

Methods in org.apache.hadoop.io.compress that return CompressionCodec
 CompressionCodec CompressionCodecFactory.getCodec(Path file)
          Find the relevant compression codec for the given file based on its filename suffix.
 

Methods in org.apache.hadoop.io.compress that return types with arguments of type CompressionCodec
static List<Class<? extends CompressionCodec>> CompressionCodecFactory.getCodecClasses(Configuration conf)
          Get the list of codecs listed in the configuration
 

Methods in org.apache.hadoop.io.compress with parameters of type CompressionCodec
static Compressor CodecPool.getCompressor(CompressionCodec codec)
           
static Compressor CodecPool.getCompressor(CompressionCodec codec, Configuration conf)
          Get a Compressor for the given CompressionCodec from the pool or a new one.
static Decompressor CodecPool.getDecompressor(CompressionCodec codec)
          Get a Decompressor for the given CompressionCodec from the pool or a new one.
 

Uses of CompressionCodec in org.apache.hadoop.mapred
 

Methods in org.apache.hadoop.mapred that return types with arguments of type CompressionCodec
 Class<? extends CompressionCodec> JobConf.getMapOutputCompressorClass(Class<? extends CompressionCodec> defaultValue)
          Get the CompressionCodec for compressing the map outputs.
static Class<? extends CompressionCodec> FileOutputFormat.getOutputCompressorClass(JobConf conf, Class<? extends CompressionCodec> defaultValue)
          Get the CompressionCodec for compressing the job outputs.
 

Method parameters in org.apache.hadoop.mapred with type arguments of type CompressionCodec
 Class<? extends CompressionCodec> JobConf.getMapOutputCompressorClass(Class<? extends CompressionCodec> defaultValue)
          Get the CompressionCodec for compressing the map outputs.
static Class<? extends CompressionCodec> FileOutputFormat.getOutputCompressorClass(JobConf conf, Class<? extends CompressionCodec> defaultValue)
          Get the CompressionCodec for compressing the job outputs.
 void JobConf.setMapOutputCompressorClass(Class<? extends CompressionCodec> codecClass)
          Set the given class as the CompressionCodec for the map outputs.
static void FileOutputFormat.setOutputCompressorClass(JobConf conf, Class<? extends CompressionCodec> codecClass)
          Set the CompressionCodec to be used to compress job outputs.
 

Uses of CompressionCodec in org.apache.hadoop.mapreduce.lib.output
 

Methods in org.apache.hadoop.mapreduce.lib.output that return types with arguments of type CompressionCodec
static Class<? extends CompressionCodec> FileOutputFormat.getOutputCompressorClass(JobContext job, Class<? extends CompressionCodec> defaultValue)
          Get the CompressionCodec for compressing the job outputs.
 

Method parameters in org.apache.hadoop.mapreduce.lib.output with type arguments of type CompressionCodec
static Class<? extends CompressionCodec> FileOutputFormat.getOutputCompressorClass(JobContext job, Class<? extends CompressionCodec> defaultValue)
          Get the CompressionCodec for compressing the job outputs.
static void FileOutputFormat.setOutputCompressorClass(Job job, Class<? extends CompressionCodec> codecClass)
          Set the CompressionCodec to be used to compress job outputs.
 



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