org.apache.hadoop.hbase.quotas

Class TestRegionSizeUse

java.lang.Object

org.apache.hadoop.hbase.quotas.TestRegionSizeUse

public class TestRegionSizeUse
extends Object

Test class which verifies that region sizes are reported to the master.

Field Summary

Fields

Modifier and Type	Field and Description
static HBaseClassTestRule	CLASS_RULE
private MiniHBaseCluster	cluster
private static String	F1
private static org.slf4j.Logger	LOG
private static int	NUM_SPLITS
private static int	SIZE_PER_VALUE
private static HBaseTestingUtility	TEST_UTIL
org.junit.rules.TestName	testName

Constructor Summary

Constructors

Constructor and Description
TestRegionSizeUse()

Method Summary

Modifier and Type	Method and Description
private int	numRegionsForTable(org.apache.hadoop.hbase.TableName tn, Map<org.apache.hadoop.hbase.client.RegionInfo,Long> regions) Computes the number of regions for the given table that have a positive size.
void	setUp()
void	tearDown()
void	testBasicRegionSizeReports()
private org.apache.hadoop.hbase.TableName	writeData(long sizeInBytes) Writes at least sizeInBytes bytes of data to HBase and returns the TableName used.

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

SIZE_PER_VALUE

private static final int SIZE_PER_VALUE

See Also:

Constant Field Values

NUM_SPLITS

private static final int NUM_SPLITS

See Also:

Constant Field Values

F1

private static final String F1

See Also:

Constant Field Values

TEST_UTIL

private static final HBaseTestingUtility TEST_UTIL

cluster

private MiniHBaseCluster cluster

testName

public org.junit.rules.TestName testName

Constructor Detail

TestRegionSizeUse

public TestRegionSizeUse()

Method Detail

setUp

public void setUp()
           throws Exception

Throws:

Exception

tearDown

public void tearDown()
              throws Exception

Throws:

Exception

testBasicRegionSizeReports

public void testBasicRegionSizeReports()
                                throws Exception

Throws:

Exception

writeData

private org.apache.hadoop.hbase.TableName writeData(long sizeInBytes)
                                             throws IOException

Writes at least sizeInBytes bytes of data to HBase and returns the TableName used.

Parameters:

sizeInBytes - The amount of data to write in bytes.

Returns:

The table the data was written to

Throws:

IOException

numRegionsForTable

private int numRegionsForTable(org.apache.hadoop.hbase.TableName tn,
                               Map<org.apache.hadoop.hbase.client.RegionInfo,Long> regions)

Computes the number of regions for the given table that have a positive size.

Parameters:

tn - The TableName in question

regions - A collection of region sizes

Returns:

The number of regions for the given table.