Package org.apache.hadoop.hbase.master.balancer

Class TestStochasticBalancerJmxMetrics

java.lang.Object

org.apache.hadoop.hbase.master.balancer.BalancerTestBase

org.apache.hadoop.hbase.master.balancer.TestStochasticBalancerJmxMetrics

public class TestStochasticBalancerJmxMetrics
extends BalancerTestBase

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.hbase.master.balancer.BalancerTestBase

BalancerTestBase.MockMapping

Field Summary

Fields

Modifier and Type	Field	Description
static final HBaseClassTestRule	CLASS_RULE
private static org.apache.hadoop.conf.Configuration	conf
private static int	connectorPort
private static org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer	loadBalancer
private static final org.slf4j.Logger	LOG
private static int[]	mockCluster_ensemble	a simple cluster for testing JMX.
private static int[]	mockCluster_pertable_1
private static int[]	mockCluster_pertable_2
private static int[]	mockCluster_pertable_namespace
private static final String	TABLE_NAME_1
private static final String	TABLE_NAME_2
private static final String	TABLE_NAME_NAMESPACE
private static HBaseTestingUtil	UTIL

Fields inherited from class org.apache.hadoop.hbase.master.balancer.BalancerTestBase

clusterStateMocks, clusterStateMocksWithNoSlop, clusterStateMocksWithSlop, largeCluster, regionId

Constructor Summary

Constructors

Constructor	Description
TestStochasticBalancerJmxMetrics()

Method Summary

Modifier and Type	Method	Description
private Set<String>	getExpectedJmxMetrics(String[] tableNames, String[] functionNames)	Given the tables and functions, return metrics names that should exist in JMX
private Set<String>	readJmxMetrics()	Read the attributes from Hadoop->HBase->Master->Balancer in JMX
private Set<String>	readJmxMetricsWithRetry()
static void	setupBeforeClass()	Setup the environment for the test.
static void	tearDownAfterClass()
void	testJmxMetrics_EnsembleMode()	In Ensemble mode, there should be only one ensemble table
void	testJmxMetrics_PerTableMode()	In per-table mode, each table has a set of metrics

Methods inherited from class org.apache.hadoop.hbase.master.balancer.BalancerTestBase

assertClusterAsBalanced, assertClusterOverallAsBalanced, assertRegionReplicaPlacement, convertToList, createRegions, createServerMap, mockCluster, mockClusterServers, mockClusterServers, mockClusterServers, mockClusterServersUnsorted, mockClusterServersWithTables, mockUniformClusterServers, printMock, printStats, randomRegions, randomRegions, randomServer, randomServers, reconcile, returnRegions, returnServer, returnServers, uniformRegions, updateLoad

Methods inherited from class java.lang.Object

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

Field Details

CLASS_RULE

public static final HBaseClassTestRule CLASS_RULE

LOG

private static final org.slf4j.Logger LOG

UTIL

private static HBaseTestingUtil UTIL

connectorPort

private static int connectorPort

loadBalancer

private static org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer loadBalancer

mockCluster_ensemble

private static int[] mockCluster_ensemble

a simple cluster for testing JMX.

mockCluster_pertable_1

private static int[] mockCluster_pertable_1

mockCluster_pertable_2

private static int[] mockCluster_pertable_2

mockCluster_pertable_namespace

private static int[] mockCluster_pertable_namespace

TABLE_NAME_1

private static final String TABLE_NAME_1

See Also:

• Constant Field Values

TABLE_NAME_2

private static final String TABLE_NAME_2

See Also:

• Constant Field Values

TABLE_NAME_NAMESPACE

private static final String TABLE_NAME_NAMESPACE

See Also:

• Constant Field Values

conf

private static org.apache.hadoop.conf.Configuration conf

Constructor Details

TestStochasticBalancerJmxMetrics

public TestStochasticBalancerJmxMetrics()

Method Details

setupBeforeClass

public static void setupBeforeClass()
                             throws Exception

Setup the environment for the test.

Throws:

Exception

tearDownAfterClass

public static void tearDownAfterClass()
                               throws Exception

Throws:

Exception

testJmxMetrics_EnsembleMode

public void testJmxMetrics_EnsembleMode()
                                 throws Exception

In Ensemble mode, there should be only one ensemble table

Throws:

Exception

testJmxMetrics_PerTableMode

public void testJmxMetrics_PerTableMode()
                                 throws Exception

In per-table mode, each table has a set of metrics

Throws:

Exception

readJmxMetricsWithRetry

private Set<String> readJmxMetricsWithRetry()
                                     throws IOException

Throws:

IOException

readJmxMetrics

private Set<String> readJmxMetrics()
                            throws IOException

Read the attributes from Hadoop->HBase->Master->Balancer in JMX

Throws:

IOException

getExpectedJmxMetrics

private Set<String> getExpectedJmxMetrics(String[] tableNames,
 String[] functionNames)

Given the tables and functions, return metrics names that should exist in JMX