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

Class LoadOnlyFavoredStochasticBalancer

java.lang.Object
org.apache.hadoop.hbase.master.balancer.BaseLoadBalancer
org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer
org.apache.hadoop.hbase.master.balancer.FavoredStochasticBalancer
org.apache.hadoop.hbase.master.balancer.LoadOnlyFavoredStochasticBalancer
All Implemented Interfaces:
org.apache.hadoop.hbase.conf.ConfigurationObserver, org.apache.hadoop.hbase.favored.FavoredNodesPromoter, org.apache.hadoop.hbase.master.LoadBalancer, org.apache.hadoop.hbase.Stoppable
public class LoadOnlyFavoredStochasticBalancer extends org.apache.hadoop.hbase.master.balancer.FavoredStochasticBalancer
Used for FavoredNode unit tests

  • Nested Class Summary

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

    org.apache.hadoop.hbase.master.balancer.FavoredStochasticBalancer.FavoredNodeLoadPicker

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

    org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer.GeneratorType

  • Field Summary

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

    candidateGenerators, COST_FUNCTIONS_COST_FUNCTIONS_KEY, costFunctions, DEFAULT_KEEP_REGION_LOADS, DEFAULT_MAX_RUNNING_TIME, DEFAULT_MAX_STEPS, DEFAULT_MIN_COST_NEED_BALANCE, DEFAULT_RUN_MAX_STEPS, DEFAULT_STEPS_PER_REGION, KEEP_REGION_LOADS, loads, MAX_RUNNING_TIME_KEY, MAX_STEPS_KEY, MIN_COST_NEED_BALANCE_KEY, namedQueueRecorder, OVERALL_COST_FUNCTION_NAME, regionCacheRatioOnOldServerMap, RUN_MAX_STEPS_KEY, STEPS_PER_REGION_KEY

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

    BALANCER_DECISION_BUFFER_ENABLED, BALANCER_REJECTION_BUFFER_ENABLED, clusterStatus, DEFAULT_BALANCER_DECISION_BUFFER_ENABLED, DEFAULT_BALANCER_REJECTION_BUFFER_ENABLED, DEFAULT_HBASE_MASTER_LOADBALANCE_BYTABLE, isByTable, masterServerName, metricsBalancer, MIN_SERVER_BALANCE, onlySystemTablesOnMaster, rackManager, regionFinder, services, slop, useRegionFinder

    Fields inherited from interface org.apache.hadoop.hbase.favored.FavoredNodesPromoter

    FAVORED_ALWAYS_ASSIGN_REGIONS

    Fields inherited from interface org.apache.hadoop.hbase.master.LoadBalancer

    BOGUS_SERVER_NAME, SYSTEM_TABLES_ON_MASTER, TABLES_ON_MASTER

  • Constructor Summary

    Constructors
    Constructor
    Description
    LoadOnlyFavoredStochasticBalancer()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    protected List<org.apache.hadoop.hbase.master.balancer.CandidateGenerator>
    createCandidateGenerators()
     

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

    balanceTable, generateFavoredNodesForDaughter, generateFavoredNodesForMergedRegion, getFavoredNodes, getRandomGenerator, randomAssignment, retainAssignment, roundRobinAssignment, setMasterServices

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

    composeAttributeName, computeCost, createCostFunctions, functionCost, getCandidateGenerators, getCostFunctionNames, getCostFunctions, initCosts, loadConf, needsBalance, nextAction, setRackManager, updateBalancerLoadInfo, updateClusterMetrics, updateCostsAndWeightsWithAction, updateMetricsSize

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

    assignMasterSystemRegions, balanceCluster, balanceMasterRegions, getConf, getDefaultSlop, idleRegionServerExist, initialize, isStopped, onConfigurationChange, postMasterStartupInitialize, preBalanceCluster, regionOffline, regionOnline, shouldBeOnMaster, sloppyRegionServerExist, stop, toEnsumbleTableLoad, updateBalancerStatus

    Methods inherited from class java.lang.Object

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

  • Constructor Details

  • Method Details

    • createCandidateGenerators

      protected List<org.apache.hadoop.hbase.master.balancer.CandidateGenerator> createCandidateGenerators()
      Overrides:
      createCandidateGenerators in class org.apache.hadoop.hbase.master.balancer.FavoredStochasticBalancer