| Package | Description |
|---|---|
| org.apache.hadoop.io |
Generic i/o code for use when reading and writing data to the network,
to databases, and to files.
|
| Modifier and Type | Method | Description |
|---|---|---|
SequenceFile.CompressionType |
SequenceFile.Reader.getCompressionType() |
Get the compression type for this file.
|
static SequenceFile.CompressionType |
SequenceFile.getDefaultCompressionType(Configuration job) |
Get the compression type for the reduce outputs
|
static SequenceFile.CompressionType |
SequenceFile.CompressionType.valueOf(java.lang.String name) |
Returns the enum constant of this type with the specified name.
|
static SequenceFile.CompressionType[] |
SequenceFile.CompressionType.values() |
Returns an array containing the constants of this enum type, in
the order they are declared.
|
| Modifier and Type | Method | Description |
|---|---|---|
static SequenceFile.Writer.Option |
MapFile.Writer.compression(SequenceFile.CompressionType type) |
|
static SequenceFile.Writer.Option |
MapFile.Writer.compression(SequenceFile.CompressionType type,
CompressionCodec codec) |
|
static SequenceFile.Writer.Option |
SequenceFile.Writer.compression(SequenceFile.CompressionType value) |
|
static SequenceFile.Writer.Option |
SequenceFile.Writer.compression(SequenceFile.CompressionType value,
CompressionCodec codec) |
|
static SequenceFile.Writer |
SequenceFile.createWriter(Configuration conf,
FSDataOutputStream out,
java.lang.Class keyClass,
java.lang.Class valClass,
SequenceFile.CompressionType compressionType,
CompressionCodec codec) |
Deprecated.
|
static SequenceFile.Writer |
SequenceFile.createWriter(Configuration conf,
FSDataOutputStream out,
java.lang.Class keyClass,
java.lang.Class valClass,
SequenceFile.CompressionType compressionType,
CompressionCodec codec,
SequenceFile.Metadata metadata) |
Deprecated.
|
static SequenceFile.Writer |
SequenceFile.createWriter(FileContext fc,
Configuration conf,
Path name,
java.lang.Class keyClass,
java.lang.Class valClass,
SequenceFile.CompressionType compressionType,
CompressionCodec codec,
SequenceFile.Metadata metadata,
java.util.EnumSet<CreateFlag> createFlag,
Options.CreateOpts... opts) |
Construct the preferred type of SequenceFile Writer.
|
static SequenceFile.Writer |
SequenceFile.createWriter(FileSystem fs,
Configuration conf,
Path name,
java.lang.Class keyClass,
java.lang.Class valClass,
int bufferSize,
short replication,
long blockSize,
boolean createParent,
SequenceFile.CompressionType compressionType,
CompressionCodec codec,
SequenceFile.Metadata metadata) |
Deprecated.
|
static SequenceFile.Writer |
SequenceFile.createWriter(FileSystem fs,
Configuration conf,
Path name,
java.lang.Class keyClass,
java.lang.Class valClass,
int bufferSize,
short replication,
long blockSize,
SequenceFile.CompressionType compressionType,
CompressionCodec codec,
Progressable progress,
SequenceFile.Metadata metadata) |
Deprecated.
|
static SequenceFile.Writer |
SequenceFile.createWriter(FileSystem fs,
Configuration conf,
Path name,
java.lang.Class keyClass,
java.lang.Class valClass,
SequenceFile.CompressionType compressionType) |
Deprecated.
|
static SequenceFile.Writer |
SequenceFile.createWriter(FileSystem fs,
Configuration conf,
Path name,
java.lang.Class keyClass,
java.lang.Class valClass,
SequenceFile.CompressionType compressionType,
CompressionCodec codec) |
Deprecated.
|
static SequenceFile.Writer |
SequenceFile.createWriter(FileSystem fs,
Configuration conf,
Path name,
java.lang.Class keyClass,
java.lang.Class valClass,
SequenceFile.CompressionType compressionType,
CompressionCodec codec,
Progressable progress) |
Deprecated.
|
static SequenceFile.Writer |
SequenceFile.createWriter(FileSystem fs,
Configuration conf,
Path name,
java.lang.Class keyClass,
java.lang.Class valClass,
SequenceFile.CompressionType compressionType,
CompressionCodec codec,
Progressable progress,
SequenceFile.Metadata metadata) |
Deprecated.
|
static SequenceFile.Writer |
SequenceFile.createWriter(FileSystem fs,
Configuration conf,
Path name,
java.lang.Class keyClass,
java.lang.Class valClass,
SequenceFile.CompressionType compressionType,
Progressable progress) |
Deprecated.
|
static void |
SequenceFile.setDefaultCompressionType(Configuration job,
SequenceFile.CompressionType val) |
Set the default compression type for sequence files.
|
| Constructor | Description |
|---|---|
Writer(Configuration conf,
FileSystem fs,
java.lang.String file,
java.lang.Class<? extends Writable> valClass,
SequenceFile.CompressionType compress,
Progressable progress) |
Create the named file for values of the named class.
|
Writer(Configuration conf,
FileSystem fs,
java.lang.String dirName,
java.lang.Class<? extends WritableComparable> keyClass,
java.lang.Class<? extends Writable> valClass,
SequenceFile.CompressionType compress,
CompressionCodec codec,
Progressable progress) |
Deprecated.
|
Writer(Configuration conf,
FileSystem fs,
java.lang.String dirName,
java.lang.Class<? extends WritableComparable> keyClass,
java.lang.Class valClass,
SequenceFile.CompressionType compress) |
Deprecated.
|
Writer(Configuration conf,
FileSystem fs,
java.lang.String dirName,
java.lang.Class<? extends WritableComparable> keyClass,
java.lang.Class valClass,
SequenceFile.CompressionType compress,
Progressable progress) |
Deprecated.
|
Writer(Configuration conf,
FileSystem fs,
java.lang.String dirName,
WritableComparator comparator,
java.lang.Class valClass,
SequenceFile.CompressionType compress) |
Deprecated.
|
Writer(Configuration conf,
FileSystem fs,
java.lang.String dirName,
WritableComparator comparator,
java.lang.Class valClass,
SequenceFile.CompressionType compress,
CompressionCodec codec,
Progressable progress) |
Deprecated.
|
Writer(Configuration conf,
FileSystem fs,
java.lang.String dirName,
WritableComparator comparator,
java.lang.Class valClass,
SequenceFile.CompressionType compress,
Progressable progress) |
Deprecated.
|
Writer(Configuration conf,
FileSystem fs,
java.lang.String dirName,
java.lang.Class<? extends WritableComparable> keyClass,
java.lang.Class valClass,
SequenceFile.CompressionType compress) |
Deprecated.
Use Writer(Configuration, Path, Option...) instead.
|
Writer(Configuration conf,
FileSystem fs,
java.lang.String dirName,
java.lang.Class<? extends WritableComparable> keyClass,
java.lang.Class valClass,
SequenceFile.CompressionType compress,
CompressionCodec codec,
Progressable progress) |
Deprecated.
Use Writer(Configuration, Path, Option...) instead.
|
Writer(Configuration conf,
FileSystem fs,
java.lang.String dirName,
java.lang.Class<? extends WritableComparable> keyClass,
java.lang.Class valClass,
SequenceFile.CompressionType compress,
Progressable progress) |
Deprecated.
Use Writer(Configuration, Path, Option...) instead.
|
Writer(Configuration conf,
FileSystem fs,
java.lang.String dirName,
WritableComparator comparator,
java.lang.Class valClass,
SequenceFile.CompressionType compress) |
Deprecated.
Use Writer(Configuration, Path, Option...) instead.
|
Writer(Configuration conf,
FileSystem fs,
java.lang.String dirName,
WritableComparator comparator,
java.lang.Class valClass,
SequenceFile.CompressionType compress,
CompressionCodec codec,
Progressable progress) |
Deprecated.
Use Writer(Configuration, Path, Option...) instead.
|
Writer(Configuration conf,
FileSystem fs,
java.lang.String dirName,
WritableComparator comparator,
java.lang.Class valClass,
SequenceFile.CompressionType compress,
Progressable progress) |
Deprecated.
Use Writer(Configuration, Path, Option...)} instead.
|
Writer(Configuration conf,
FileSystem fs,
java.lang.String dirName,
java.lang.Class<? extends WritableComparable> keyClass,
SequenceFile.CompressionType compress) |
Create a set naming the element class and compression type.
|
Writer(Configuration conf,
FileSystem fs,
java.lang.String dirName,
WritableComparator comparator,
SequenceFile.CompressionType compress) |
Create a set naming the element comparator and compression type.
|
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