Package org.apache.hadoop.hbase

Examples of org.apache.hadoop.hbase.ServerLoad

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  @Override
  public RegionServerReportResponse regionServerReport(
      RpcController controller, RegionServerReportRequest request) throws ServiceException {
    try {
      ClusterStatusProtos.ServerLoad sl = request.getLoad();
      this.serverManager.regionServerReport(ProtobufUtil.toServerName(request.getServer()), new ServerLoad(sl));
      if (sl != null && this.metricsMaster != null) {
        // Up our metrics.
        this.metricsMaster.incrementRequests(sl.getTotalNumberOfRequests());
      }
    } catch (IOException ioe) {
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  @Override
  public RegionServerReportResponse regionServerReport(
      RpcController controller, RegionServerReportRequest request) throws ServiceException {
    try {
      ClusterStatusProtos.ServerLoad sl = request.getLoad();
      this.serverManager.regionServerReport(ProtobufUtil.toServerName(request.getServer()), new ServerLoad(sl));
      if (sl != null && this.metricsMaster != null) {
        // Up our metrics.
        this.metricsMaster.incrementRequests(sl.getTotalNumberOfRequests());
      }
    } catch (IOException ioe) {
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    }
  }

  private RegionLoad getRegionLoad(ServerName sn, HRegionInfo hri) {
    ServerManager serverManager =  masterServices.getServerManager();
    ServerLoad load = serverManager.getLoad(sn);
    if (load != null) {
      Map<byte[], RegionLoad> regionsLoad = load.getRegionsLoad();
      if (regionsLoad != null) {
        return regionsLoad.get(hri.getRegionName());
      }
    }
    return null;
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              currentServerWithoutStartCode.equals(favoredNodes.get(2))) {
            continue;
          }
          //the region is currently on none of the favored nodes
          //get it on one of them if possible
          ServerLoad l1 = super.services.getServerManager().getLoad(
              serverNameWithoutCodeToServerName.get(favoredNodes.get(1)));
          ServerLoad l2 = super.services.getServerManager().getLoad(
              serverNameWithoutCodeToServerName.get(favoredNodes.get(2)));
          if (l1 != null && l2 != null) {
            if (l1.getLoad() > l2.getLoad()) {
              destination = serverNameWithoutCodeToServerName.get(favoredNodes.get(2));
            } else {
              destination = serverNameWithoutCodeToServerName.get(favoredNodes.get(1));
            }
          } else if (l1 != null) {
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      addRegionToMap(assignmentMapForFavoredNodes, region, primaryHost);
    } else if (secondaryHost != null && tertiaryHost != null) {
      // assign the region to the one with a lower load
      // (both have the desired hdfs blocks)
      ServerName s;
      ServerLoad tertiaryLoad = super.services.getServerManager().getLoad(tertiaryHost);
      ServerLoad secondaryLoad = super.services.getServerManager().getLoad(secondaryHost);
      if (secondaryLoad.getLoad() < tertiaryLoad.getLoad()) {
        s = secondaryHost;
      } else {
        s = tertiaryHost;
      }
      addRegionToMap(assignmentMapForFavoredNodes, region, s);
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    Map<String, Deque<RegionLoad>> oldLoads = loads;
    loads = new HashMap<String, Deque<RegionLoad>>();

    for (ServerName sn : clusterStatus.getServers()) {
      if (excludedServers.contains(sn)) continue;
      ServerLoad sl = clusterStatus.getLoad(sn);
      if (sl == null) {
        continue;
      }
      for (Entry<byte[], RegionLoad> entry : sl.getRegionsLoad().entrySet()) {
        Deque<RegionLoad> rLoads = oldLoads.get(Bytes.toString(entry.getKey()));
        if (rLoads == null) {
          // There was nothing there
          rLoads = new ArrayDeque<RegionLoad>();
        } else if (rLoads.size() >= 15) {
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    return clusterStatus;
  }

  /** Creates mock of region server with given regions*/
  private ServerLoad mockServer(RegionLoad... regions) {
    ServerLoad serverLoad = Mockito.mock(ServerLoad.class);
    Map<byte[], RegionLoad> regionMap = new TreeMap<byte[], RegionLoad>(Bytes.BYTES_COMPARATOR);

    for (RegionLoad regionName : regions) {
      regionMap.put(regionName.getName(), regionName);
    }

    when(serverLoad.getRegionsLoad()).thenReturn(regionMap);
    return serverLoad;
  }
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  public void testKeepRegionLoad() throws Exception {

    ServerName sn = ServerName.valueOf("test:8080", 100);
    int numClusterStatusToAdd = 20000;
    for (int i = 0; i < numClusterStatusToAdd; i++) {
      ServerLoad sl = mock(ServerLoad.class);

      RegionLoad rl = mock(RegionLoad.class);
      when(rl.getStores()).thenReturn(i);

      Map<byte[], RegionLoad> regionLoadMap =
          new TreeMap<byte[], RegionLoad>(Bytes.BYTES_COMPARATOR);
      regionLoadMap.put(Bytes.toBytes(REGION_KEY), rl);
      when(sl.getRegionsLoad()).thenReturn(regionLoadMap);

      ClusterStatus clusterStatus = mock(ClusterStatus.class);
      when(clusterStatus.getServers()).thenReturn(Arrays.asList(sn));
      when(clusterStatus.getLoad(sn)).thenReturn(sl);
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  protected void unbalanceRegions(ClusterStatus clusterStatus,
      List<ServerName> fromServers, List<ServerName> toServers,
      double fractionOfRegions) throws Exception {
    List<byte[]> victimRegions = new LinkedList<byte[]>();
    for (ServerName server : fromServers) {
      ServerLoad serverLoad = clusterStatus.getLoad(server);
      // Ugh.
      List<byte[]> regions = new LinkedList<byte[]>(serverLoad.getRegionsLoad().keySet());
      int victimRegionCount = (int)Math.ceil(fractionOfRegions * regions.size());
      LOG.debug("Removing " + victimRegionCount + " regions from " + server.getServerName());
      for (int i = 0; i < victimRegionCount; ++i) {
        int victimIx = RandomUtils.nextInt(regions.size());
        String regionId = HRegionInfo.encodeRegionName(regions.remove(victimIx));
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  public RegionServerReportResponse regionServerReport(
      RpcController controller, RegionServerReportRequest request) throws ServiceException {
    try {
      ClusterStatusProtos.ServerLoad sl = request.getLoad();
      ServerName serverName = ProtobufUtil.toServerName(request.getServer());
      ServerLoad oldLoad = serverManager.getLoad(serverName);
      this.serverManager.regionServerReport(serverName, new ServerLoad(sl));
      if (sl != null && this.metricsMaster != null) {
        // Up our metrics.
        this.metricsMaster.incrementRequests(sl.getTotalNumberOfRequests()
          - (oldLoad != null ? oldLoad.getTotalNumberOfRequests() : 0));
      }
    } catch (IOException ioe) {
      throw new ServiceException(ioe);
    }
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Related Classes of org.apache.hadoop.hbase.ServerLoad

  • org.apache.hadoop.hbase.chaos.actions.Action
  • org.apache.hadoop.hbase.master.balancer.FavoredNodeLoadBalancer
  • org.apache.hadoop.hbase.master.balancer.StochasticLoadBalancer
  • org.apache.hadoop.hbase.master.balancer.TestStochasticLoadBalancer
  • org.apache.hadoop.hbase.master.handler.DispatchMergingRegionHandler
  • org.apache.hadoop.hbase.master.HMaster
  • org.apache.hadoop.hbase.master.MasterRpcServices
  • org.apache.hadoop.hbase.rest.StorageClusterStatusResource
  • org.apache.hadoop.hbase.util.ChaosMonkey$Action
  • org.apache.hadoop.hbase.util.RegionSizeCalculator
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