org.apache.hadoop.hbase.master.balancer

Class TestStochasticLoadBalancerBalanceCluster

java.lang.Object

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

org.apache.hadoop.hbase.master.balancer.TestStochasticLoadBalancerBalanceCluster

public class TestStochasticLoadBalancerBalanceCluster
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 and Description
static HBaseClassTestRule	CLASS_RULE
private static org.slf4j.Logger	LOG

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

clusterStateMocks, clusterStateMocksWithNoSlop, clusterStateMocksWithSlop, conf, dummyMetricsStochasticBalancer, largeCluster, loadBalancer, regionId

Constructor Summary

Constructors

Constructor and Description
TestStochasticLoadBalancerBalanceCluster()

Method Summary

Modifier and Type	Method and Description
void	testBalanceCluster() Test the load balancing algorithm.

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

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

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

Constructor Detail

TestStochasticLoadBalancerBalanceCluster

public TestStochasticLoadBalancerBalanceCluster()

Method Detail

testBalanceCluster

public void testBalanceCluster()
                        throws Exception

Test the load balancing algorithm.

Invariant is that all servers should be hosting either floor(average) or ceiling(average)

Throws:

Exception