@BeforeClass public static void beforeAllTests() throws Exception { conf = HBaseConfiguration.create(); conf.setClass("hbase.util.ip.to.rack.determiner", MockMapping.class, DNSToSwitchMapping.class); conf.setFloat("hbase.master.balancer.stochastic.maxMovePercent", 0.75f); conf.setFloat("hbase.regions.slop", 0.0f); conf.setFloat("hbase.master.balancer.stochastic.localityCost", 0); conf.setFloat("hbase.master.balancer.stochastic.minCostNeedBalance", 0.0f); loadBalancer = new StochasticLoadBalancer(); loadBalancer.setConf(conf); }