org.apache.hadoop.hbase.io.compress

Class CodecPool

java.lang.Object

org.apache.hadoop.hbase.io.compress.CodecPool

@InterfaceAudience.Private
public class CodecPool
extends Object

A global compressor/decompressor pool used to save and reuse (possibly native) compression/decompression codecs. Copied from the class of the same name in hadoop-common and augmented to improve borrow/return performance.

Constructor Summary

Constructors

Constructor and Description
CodecPool()

Method Summary

Modifier and Type	Method and Description
static ByteBuffDecompressor	getByteBuffDecompressor(ByteBuffDecompressionCodec codec)
static org.apache.hadoop.io.compress.Compressor	getCompressor(org.apache.hadoop.io.compress.CompressionCodec codec)
static org.apache.hadoop.io.compress.Compressor	getCompressor(org.apache.hadoop.io.compress.CompressionCodec codec, org.apache.hadoop.conf.Configuration conf) Get a Compressor for the given CompressionCodec from the pool, or get a new one if the pool is empty.
static org.apache.hadoop.io.compress.Decompressor	getDecompressor(org.apache.hadoop.io.compress.CompressionCodec codec) Get a Decompressor for the given CompressionCodec from the pool, or get a new one if the pool is empty.
static void	returnByteBuffDecompressor(ByteBuffDecompressor decompressor)
static void	returnCompressor(org.apache.hadoop.io.compress.Compressor compressor) Return the Compressor to the pool.
static void	returnDecompressor(org.apache.hadoop.io.compress.Decompressor decompressor) Return the Decompressor to the pool.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CodecPool

public CodecPool()

Method Detail

getCompressor

public static org.apache.hadoop.io.compress.Compressor getCompressor(org.apache.hadoop.io.compress.CompressionCodec codec,
                                                                     org.apache.hadoop.conf.Configuration conf)

Get a Compressor for the given CompressionCodec from the pool, or get a new one if the pool is empty. Copied from hadoop-common without significant modification.

getCompressor

public static org.apache.hadoop.io.compress.Compressor getCompressor(org.apache.hadoop.io.compress.CompressionCodec codec)

getDecompressor

public static org.apache.hadoop.io.compress.Decompressor getDecompressor(org.apache.hadoop.io.compress.CompressionCodec codec)

Get a Decompressor for the given CompressionCodec from the pool, or get a new one if the pool is empty. Copied from hadoop-common without significant modification.

getByteBuffDecompressor

public static ByteBuffDecompressor getByteBuffDecompressor(ByteBuffDecompressionCodec codec)

returnCompressor

public static void returnCompressor(org.apache.hadoop.io.compress.Compressor compressor)

Return the Compressor to the pool. Copied from hadoop-common without significant modification.

returnDecompressor

public static void returnDecompressor(org.apache.hadoop.io.compress.Decompressor decompressor)

Return the Decompressor to the pool. Copied from hadoop-common without significant modification.

returnByteBuffDecompressor

public static void returnByteBuffDecompressor(ByteBuffDecompressor decompressor)