org.apache.hadoop.hbase.regionserver

Class TestMobStoreCompaction

java.lang.Object

org.apache.hadoop.hbase.regionserver.TestMobStoreCompaction

public class TestMobStoreCompaction
extends Object

Test mob store compaction

Field Summary

Fields

Modifier and Type	Field and Description
static HBaseClassTestRule	CLASS_RULE
private static byte[]	COLUMN_FAMILY
private int	compactionThreshold
private org.apache.hadoop.conf.Configuration	conf
private org.apache.hadoop.fs.FileSystem	fs
private org.apache.hadoop.hbase.HColumnDescriptor	hcd
private org.apache.hadoop.hbase.HTableDescriptor	htd
(package private) static org.slf4j.Logger	LOG
private long	mobCellThreshold
org.junit.rules.TestName	name
private org.apache.hadoop.hbase.regionserver.HRegion	region
private byte[]	STARTROW
private static HBaseTestingUtility	UTIL

Constructor Summary

Constructors

Constructor and Description
TestMobStoreCompaction()

Method Summary

Modifier and Type	Method and Description
private long	countMobCellsInMetadata()
private int	countMobCellsInMobFiles(int expectedNumDelfiles)
private int	countMobFiles()
private int	countMobRows()
private int	countReferencedMobFiles()
private int	countStoreFiles()
private void	createHFile(org.apache.hadoop.fs.Path path, int rowIdx, byte[] dummyData) Create an HFile with the given number of bytes
private org.apache.hadoop.hbase.client.Put	createPut(int rowIdx, byte[] dummyData)
private void	init(org.apache.hadoop.conf.Configuration conf, long mobThreshold)
private byte[]	makeDummyData(int size)
private static org.apache.hadoop.hbase.regionserver.HRegion	setMobThreshold(org.apache.hadoop.hbase.regionserver.HRegion region, byte[] cfName, long modThreshold)
static void	setUpBeforeClass()
void	tearDown()
static void	tearDownAfterClass()
void	testLargerValue() During compaction, the mob threshold size is changed.
void	testMajorCompactionAfterDelete()
void	testMobCompactionWithBulkload() This test will first generate store files, then bulk load them and trigger the compaction.
void	testSmallerValue() During compaction, cells smaller than the threshold won't be affected.

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

name

public org.junit.rules.TestName name

LOG

static final org.slf4j.Logger LOG

UTIL

private static final HBaseTestingUtility UTIL

conf

private org.apache.hadoop.conf.Configuration conf

region

private org.apache.hadoop.hbase.regionserver.HRegion region

htd

private org.apache.hadoop.hbase.HTableDescriptor htd

hcd

private org.apache.hadoop.hbase.HColumnDescriptor hcd

mobCellThreshold

private long mobCellThreshold

fs

private org.apache.hadoop.fs.FileSystem fs

COLUMN_FAMILY

private static final byte[] COLUMN_FAMILY

STARTROW

private final byte[] STARTROW

compactionThreshold

private int compactionThreshold

Constructor Detail

TestMobStoreCompaction

public TestMobStoreCompaction()

Method Detail

setUpBeforeClass

public static void setUpBeforeClass()
                             throws Exception

Throws:

Exception

tearDownAfterClass

public static void tearDownAfterClass()
                               throws Exception

Throws:

Exception

init

private void init(org.apache.hadoop.conf.Configuration conf,
                  long mobThreshold)
           throws Exception

Throws:

Exception

tearDown

public void tearDown()
              throws Exception

Throws:

Exception

testSmallerValue

public void testSmallerValue()
                      throws Exception

During compaction, cells smaller than the threshold won't be affected.

Throws:

Exception

testLargerValue

public void testLargerValue()
                     throws Exception

During compaction, the mob threshold size is changed.

Throws:

Exception

setMobThreshold

private static org.apache.hadoop.hbase.regionserver.HRegion setMobThreshold(org.apache.hadoop.hbase.regionserver.HRegion region,
                                                                            byte[] cfName,
                                                                            long modThreshold)

testMobCompactionWithBulkload

public void testMobCompactionWithBulkload()
                                   throws Exception

This test will first generate store files, then bulk load them and trigger the compaction. When compaction, the cell value will be larger than the threshold.

Throws:

Exception

testMajorCompactionAfterDelete

public void testMajorCompactionAfterDelete()
                                    throws Exception

Throws:

Exception

countStoreFiles

private int countStoreFiles()
                     throws IOException

Throws:

IOException

countMobFiles

private int countMobFiles()
                   throws IOException

Throws:

IOException

countMobCellsInMetadata

private long countMobCellsInMetadata()
                              throws IOException

Throws:

IOException

createPut

private org.apache.hadoop.hbase.client.Put createPut(int rowIdx,
                                                     byte[] dummyData)
                                              throws IOException

Throws:

IOException

createHFile

private void createHFile(org.apache.hadoop.fs.Path path,
                         int rowIdx,
                         byte[] dummyData)
                  throws IOException

Create an HFile with the given number of bytes

Throws:

IOException

countMobRows

private int countMobRows()
                  throws IOException

Throws:

IOException

makeDummyData

private byte[] makeDummyData(int size)

countReferencedMobFiles

private int countReferencedMobFiles()
                             throws IOException

Throws:

IOException

countMobCellsInMobFiles

private int countMobCellsInMobFiles(int expectedNumDelfiles)
                             throws IOException

Throws:

IOException