Package org.apache.hadoop.hbase.master

Class TestMasterFailoverBalancerPersistence

java.lang.Object

org.apache.hadoop.hbase.master.TestMasterFailoverBalancerPersistence

@Tag("org.apache.hadoop.hbase.testclassification.MasterTests") @Tag("org.apache.hadoop.hbase.testclassification.LargeTests")
public class TestMasterFailoverBalancerPersistence
extends Object

Constructor Summary

Constructors

Constructor	Description
TestMasterFailoverBalancerPersistence()

Method Summary

Modifier and Type	Method	Description
private int	getActiveMasterIndex(SingleProcessHBaseCluster cluster)	return the index of the active master in the cluster
private org.apache.hadoop.hbase.master.HMaster	killActiveAndWaitForNewActive(SingleProcessHBaseCluster cluster)	Kill the master and wait for a new active master to show up
void	testMasterFailoverBalancerPersistence()	Test that if the master fails, the load balancer maintains its state (running or not) when the next master takes over

Methods inherited from class java.lang.Object

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

Constructor Details

TestMasterFailoverBalancerPersistence

public TestMasterFailoverBalancerPersistence()

Method Details

testMasterFailoverBalancerPersistence

@Test
public void testMasterFailoverBalancerPersistence()
                                           throws Exception

Test that if the master fails, the load balancer maintains its state (running or not) when the next master takes over

Throws:

Exception

killActiveAndWaitForNewActive

private org.apache.hadoop.hbase.master.HMaster killActiveAndWaitForNewActive(SingleProcessHBaseCluster cluster)
                                                                      throws InterruptedException,
IOException

Kill the master and wait for a new active master to show up

Returns:

the new active master

Throws:

InterruptedException

IOException

getActiveMasterIndex

private int getActiveMasterIndex(SingleProcessHBaseCluster cluster)
                          throws org.apache.hadoop.hbase.MasterNotRunningException

return the index of the active master in the cluster

Throws:

org.apache.hadoop.hbase.MasterNotRunningException - if no active master found