org.apache.hadoop.hbase.io.hfile

Class TestLazyDataBlockDecompression

java.lang.Object

org.apache.hadoop.hbase.io.hfile.TestLazyDataBlockDecompression

public class TestLazyDataBlockDecompression
extends Object

A kind of integration test at the intersection of HFileBlock, CacheConfig, and LruBlockCache.

Field Summary

Fields

Modifier and Type	Field and Description
boolean	cacheOnWrite
static HBaseClassTestRule	CLASS_RULE
private org.apache.hadoop.fs.FileSystem	fs
private static org.slf4j.Logger	LOG
private static Random	RNG
private static HBaseTestingUtility	TEST_UTIL

Constructor Summary

Constructors

Constructor and Description
TestLazyDataBlockDecompression()

Method Summary

Modifier and Type	Method and Description
private static void	cacheBlocks(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.hbase.io.hfile.CacheConfig cacheConfig, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path path, org.apache.hadoop.hbase.io.hfile.HFileContext cxt) Read all blocks from path to populate blockCache.
static Iterable<Object[]>	data()
void	setUp()
void	tearDown()
void	testCompressionIncreasesEffectiveBlockCacheSize()
private static void	writeHFile(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.hbase.io.hfile.CacheConfig cc, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path path, org.apache.hadoop.hbase.io.hfile.HFileContext cxt, int entryCount) Write entryCount random keyvalues to a new HFile at path.

Methods inherited from class java.lang.Object

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

Field Detail

CLASS_RULE

public static final HBaseClassTestRule CLASS_RULE

LOG

private static final org.slf4j.Logger LOG

TEST_UTIL

private static final HBaseTestingUtility TEST_UTIL

RNG

private static final Random RNG

fs

private org.apache.hadoop.fs.FileSystem fs

cacheOnWrite

public boolean cacheOnWrite

Constructor Detail

TestLazyDataBlockDecompression

public TestLazyDataBlockDecompression()

Method Detail

data

public static Iterable<Object[]> data()

setUp

public void setUp()
           throws IOException

Throws:

IOException

tearDown

public void tearDown()

writeHFile

private static void writeHFile(org.apache.hadoop.conf.Configuration conf,
                               org.apache.hadoop.hbase.io.hfile.CacheConfig cc,
                               org.apache.hadoop.fs.FileSystem fs,
                               org.apache.hadoop.fs.Path path,
                               org.apache.hadoop.hbase.io.hfile.HFileContext cxt,
                               int entryCount)
                        throws IOException

Write entryCount random keyvalues to a new HFile at path. Returns the row bytes of the KeyValues written, in the order they were written.

Throws:

IOException

cacheBlocks

private static void cacheBlocks(org.apache.hadoop.conf.Configuration conf,
                                org.apache.hadoop.hbase.io.hfile.CacheConfig cacheConfig,
                                org.apache.hadoop.fs.FileSystem fs,
                                org.apache.hadoop.fs.Path path,
                                org.apache.hadoop.hbase.io.hfile.HFileContext cxt)
                         throws IOException

Read all blocks from path to populate blockCache.

Throws:

IOException

testCompressionIncreasesEffectiveBlockCacheSize

public void testCompressionIncreasesEffectiveBlockCacheSize()
                                                     throws Exception

Throws:

Exception