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.
CompressionCodec	CompressionCodecFactory.getCodecByClassName(String classname) Find the relevant compression codec for the codec's canonical class name.
CompressionCodec	CompressionCodecFactory.getCodecByName(String codecName) Find the relevant compression codec for the codec's canonical class name or by codec alias.

Methods in org.apache.hadoop.io.compress that return types with arguments of type CompressionCodec

Class<? extends CompressionCodec>	CompressionCodecFactory.getCodecClassByName(String codecName) Find the relevant compression codec for the codec's canonical class name or by codec alias and returns its implemetation class.
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.