Package org.apache.hadoop.hbase

Examples of org.apache.hadoop.hbase.HServerLoad

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    return allUserRegionsOffline;
  }

  void tryRegionServerReport()
  throws IOException {
    HServerLoad hsl = buildServerLoad();
    // Why we do this?
    this.requestCount.set(0);
    try {
      this.hbaseMaster.regionServerReport(this.serverNameFromMasterPOV.getVersionedBytes(), hsl);
    } catch (IOException ioe) {
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    for (HRegion region: regions) {
      regionLoads.put(region.getRegionName(), createRegionLoad(region));
    }
    MemoryUsage memory =
      ManagementFactory.getMemoryMXBean().getHeapMemoryUsage();
    return new HServerLoad(requestCount.get(),(int)metrics.getRequests(),
      (int)(memory.getUsed() / 1024 / 1024),
      (int) (memory.getMax() / 1024 / 1024), regionLoads,
      this.hlog.getCoprocessorHost().getCoprocessors());
  }
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    // make it so if close or open, we return 'success'.
    this.serverManager = Mockito.mock(ServerManager.class);
    Mockito.when(this.serverManager.isServerOnline(SERVERNAME_A)).thenReturn(true);
    Mockito.when(this.serverManager.isServerOnline(SERVERNAME_B)).thenReturn(true);
    final Map<ServerName, HServerLoad> onlineServers = new HashMap<ServerName, HServerLoad>();
    onlineServers.put(SERVERNAME_B, new HServerLoad());
    onlineServers.put(SERVERNAME_A, new HServerLoad());
    Mockito.when(this.serverManager.getOnlineServersList()).thenReturn(
        new ArrayList<ServerName>(onlineServers.keySet()));
    Mockito.when(this.serverManager.getOnlineServers()).thenReturn(onlineServers);
    Mockito.when(this.serverManager.sendRegionClose(SERVERNAME_A, REGIONINFO, -1)).
      thenReturn(true);
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      throw new Leases.LeaseStillHeldException(serverName);
    }
   
    LOG.info("Received start message from: " + serverName);
    // Go on to process the regionserver registration.
    HServerLoad load = serversToLoad.remove(serverName);
    if (load != null) {
      // The startup message was from a known server.
      // Remove stale information about the server's load.
      synchronized (loadToServers) {
        Set<String> servers = loadToServers.get(load);
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   * @param info The region server informations
   * @param useInfoLoad True if the load from the info should be used
   *                    like under a master failover
   */
  public void recordNewServer(HServerInfo info, boolean useInfoLoad) {
    HServerLoad load = useInfoLoad ? info.getLoad() : new HServerLoad();
    String serverName = HServerInfo.getServerName(info);
    info.setLoad(load);
    // We must set this watcher here because it can be set on a fresh start
    // or on a failover
    Watcher watcher = new ServerExpirer(serverName, info.getServerAddress());
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      final HRegionInfo[] mostLoadedRegions, HMsg[] msgs)
  throws IOException {
    // Refresh the info object and the load information
    serverAddressToServerInfo.put(serverInfo.getServerAddress(), serverInfo);
    serversToServerInfo.put(serverInfo.getServerName(), serverInfo);
    HServerLoad load = serversToLoad.get(serverInfo.getServerName());
    if (load != null) {
      this.master.getMetrics().incrementRequests(load.getNumberOfRequests());
      if (!load.equals(serverInfo.getLoad())) {
        // We have previous information about the load on this server
        // and the load on this server has changed
        synchronized (loadToServers) {
          Set<String> servers = loadToServers.get(load);
          // Note that servers should never be null because loadToServers
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      }

      infoUpdated = true;

      // update load information
      HServerLoad load = serversToLoad.remove(serverName);
      if (load != null) {
        synchronized (loadToServers) {
          Set<String> servers = loadToServers.get(load);
          if (servers != null) {
            servers.remove(serverName);
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        // Remove the server from the known servers list and update load info
        serverAddressToServerInfo.remove(serverAddress);
        HServerInfo info = serversToServerInfo.remove(server);
        if (info != null) {
          String serverName = HServerInfo.getServerName(info);
          HServerLoad load = serversToLoad.remove(serverName);
          if (load != null) {
            synchronized (loadToServers) {
              Set<String> servers = loadToServers.get(load);
              if (servers != null) {
                servers.remove(serverName);
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    return allUserRegionsOffline;
  }

  void tryRegionServerReport()
  throws IOException {
    HServerLoad hsl = buildServerLoad();
    // Why we do this?
    this.requestCount.set(0);
    try {
      this.hbaseMaster.regionServerReport(this.serverNameFromMasterPOV.getVersionedBytes(), hsl);
    } catch (IOException ioe) {
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    for (HRegion region: regions) {
      regionLoads.put(region.getRegionName(), createRegionLoad(region));
    }
    MemoryUsage memory =
      ManagementFactory.getMemoryMXBean().getHeapMemoryUsage();
    return new HServerLoad(requestCount.get(),(int)metrics.getRequests(),
      (int)(memory.getUsed() / 1024 / 1024),
      (int) (memory.getMax() / 1024 / 1024), regionLoads,
      this.hlog.getCoprocessorHost().getCoprocessors());
  }
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Related Classes of org.apache.hadoop.hbase.HServerLoad

  • org.apache.drill.exec.store.hbase.TableStatsCalculator
  • org.apache.hadoop.hbase.master.RegionManager
  • org.apache.hadoop.hbase.master.RegionManager$LoadBalancer
  • org.apache.hadoop.hbase.master.ServerManager
  • org.apache.hadoop.hbase.master.ServerManager$ServerExpirer
  • org.apache.hadoop.hbase.master.TestAssignmentManager
  • org.apache.hadoop.hbase.regionserver.HRegionServer
  • org.apache.hadoop.hbase.rest.StorageClusterStatusResource
  • org.apache.hadoop.hbase.stargate.StorageClusterStatusResource
  • org.apache.hadoop.hbase.util.ChaosMonkey$UnbalanceRegionsAction
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