org.apache.hadoop.hbase.master.balancer

Class TestRSGroupBasedLoadBalancer

java.lang.Object

org.apache.hadoop.hbase.master.balancer.TestRSGroupBasedLoadBalancer

public class TestRSGroupBasedLoadBalancer
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
TestRSGroupBasedLoadBalancer()

Method Summary

Modifier and Type	Method and Description
static void	beforeAllTests()
void	testBalanceCluster() Test the load balancing algorithm.
void	testBulkAssignment() Tests the bulk assignment used during cluster startup.
void	testRetainAssignment() Test the cluster startup bulk assignment which attempts to retain assignment info.

Methods inherited from class java.lang.Object

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

Constructor Detail

TestRSGroupBasedLoadBalancer

public TestRSGroupBasedLoadBalancer()

Method Detail

beforeAllTests

public static void beforeAllTests()
                           throws java.lang.Exception

Throws:

java.lang.Exception

testBalanceCluster

public void testBalanceCluster()
                        throws java.lang.Exception

Test the load balancing algorithm. Invariant is that all servers of the group should be hosting either floor(average) or ceiling(average)

Throws:

java.lang.Exception

testBulkAssignment

public void testBulkAssignment()
                        throws java.lang.Exception

Tests the bulk assignment used during cluster startup. Round-robin. Should yield a balanced cluster so same invariant as the load balancer holds, all servers holding either floor(avg) or ceiling(avg).

Throws:

java.lang.Exception

testRetainAssignment

public void testRetainAssignment()
                          throws java.lang.Exception

Test the cluster startup bulk assignment which attempts to retain assignment info.

Throws:

java.lang.Exception