Package org.apache.hadoop.hbase.master

Examples of org.apache.hadoop.hbase.master.SnapshotOfRegionAssignmentFromMeta

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  @Override
  public List<RegionPlan> balanceCluster(Map<ServerName, List<HRegionInfo>> clusterState)  {
    //TODO. Look at is whether Stochastic loadbalancer can be integrated with this
    List<RegionPlan> plans = new ArrayList<RegionPlan>();
    //perform a scan of the meta to get the latest updates (if any)
    SnapshotOfRegionAssignmentFromMeta snaphotOfRegionAssignment =
        new SnapshotOfRegionAssignmentFromMeta(super.services.getCatalogTracker());
    try {
      snaphotOfRegionAssignment.initialize();
    } catch (IOException ie) {
      LOG.warn("Not running balancer since exception was thrown " + ie);
      return plans;
    }
    globalFavoredNodesAssignmentPlan = snaphotOfRegionAssignment.getExistingAssignmentPlan();
    Map<ServerName, ServerName> serverNameToServerNameWithoutCode =
        new HashMap<ServerName, ServerName>();
    Map<ServerName, ServerName> serverNameWithoutCodeToServerName =
        new HashMap<ServerName, ServerName>();
    ServerManager serverMgr = super.services.getServerManager();
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  @Override
  public List<RegionPlan> balanceCluster(Map<ServerName, List<HRegionInfo>> clusterState)  {
    //TODO. Look at is whether Stochastic loadbalancer can be integrated with this
    List<RegionPlan> plans = new ArrayList<RegionPlan>();
    //perform a scan of the meta to get the latest updates (if any)
    SnapshotOfRegionAssignmentFromMeta snaphotOfRegionAssignment =
        new SnapshotOfRegionAssignmentFromMeta(super.services.getShortCircuitConnection());
    try {
      snaphotOfRegionAssignment.initialize();
    } catch (IOException ie) {
      LOG.warn("Not running balancer since exception was thrown " + ie);
      return plans;
    }
    globalFavoredNodesAssignmentPlan = snaphotOfRegionAssignment.getExistingAssignmentPlan();
    Map<ServerName, ServerName> serverNameToServerNameWithoutCode =
        new HashMap<ServerName, ServerName>();
    Map<ServerName, ServerName> serverNameWithoutCodeToServerName =
        new HashMap<ServerName, ServerName>();
    ServerManager serverMgr = super.services.getServerManager();
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  @Override
  public List<RegionPlan> balanceCluster(Map<ServerName, List<HRegionInfo>> clusterState)  {
    //TODO. Look at is whether Stochastic loadbalancer can be integrated with this
    List<RegionPlan> plans = new ArrayList<RegionPlan>();
    //perform a scan of the meta to get the latest updates (if any)
    SnapshotOfRegionAssignmentFromMeta snaphotOfRegionAssignment =
        new SnapshotOfRegionAssignmentFromMeta(super.services.getShortCircuitConnection());
    try {
      snaphotOfRegionAssignment.initialize();
    } catch (IOException ie) {
      LOG.warn("Not running balancer since exception was thrown " + ie);
      return plans;
    }
    globalFavoredNodesAssignmentPlan = snaphotOfRegionAssignment.getExistingAssignmentPlan();
    Map<ServerName, ServerName> serverNameToServerNameWithoutCode =
        new HashMap<ServerName, ServerName>();
    Map<ServerName, ServerName> serverNameWithoutCodeToServerName =
        new HashMap<ServerName, ServerName>();
    ServerManager serverMgr = super.services.getServerManager();
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  @Override
  public List<RegionPlan> balanceCluster(Map<ServerName, List<HRegionInfo>> clusterState)  {
    //TODO. Look at is whether Stochastic loadbalancer can be integrated with this
    List<RegionPlan> plans = new ArrayList<RegionPlan>();
    //perform a scan of the meta to get the latest updates (if any)
    SnapshotOfRegionAssignmentFromMeta snaphotOfRegionAssignment =
        new SnapshotOfRegionAssignmentFromMeta(super.services.getCatalogTracker());
    try {
      snaphotOfRegionAssignment.initialize();
    } catch (IOException ie) {
      LOG.warn("Not running balancer since exception was thrown " + ie);
      return plans;
    }
    globalFavoredNodesAssignmentPlan = snaphotOfRegionAssignment.getExistingAssignmentPlan();
    Map<ServerName, ServerName> serverNameToServerNameWithoutCode =
        new HashMap<ServerName, ServerName>();
    Map<ServerName, ServerName> serverNameWithoutCodeToServerName =
        new HashMap<ServerName, ServerName>();
    ServerManager serverMgr = super.services.getServerManager();
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Related Classes of org.apache.hadoop.hbase.master.SnapshotOfRegionAssignmentFromMeta

  • org.apache.hadoop.hbase.catalog.MetaReader.Visitor
  • org.apache.hadoop.hbase.HRegionInfo
  • org.apache.hadoop.hbase.master.balancer.FavoredNodeLoadBalancer
  • org.apache.hadoop.hbase.master.balancer.FavoredNodesPlan
  • org.apache.hadoop.hbase.MetaTableAccessor.Visitor
  • org.apache.hadoop.hbase.RegionLocations
  • org.apache.hadoop.hbase.TableName
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