Package org.apache.hadoop.hbase

Examples of org.apache.hadoop.hbase.ClusterStatus

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    Collections.sort(backupMasters, new Comparator<ServerName>() {
      public int compare(ServerName s1, ServerName s2) {
        return s1.getServerName().compareTo(s2.getServerName());
      }});

    return new ClusterStatus(VersionInfo.getVersion(),
      this.fileSystemManager.getClusterId().toString(),
      this.serverManager.getOnlineServers(),
      this.serverManager.getDeadServers().copyServerNames(),
      this.serverName,
      backupMasters,
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    }

    @Override
    protected boolean doAction() throws Exception {
      HBaseAdmin admin = new HBaseAdmin(util.getConfiguration());
      ClusterStatus status = admin.getClusterStatus();
      return status != null;
    }
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  /**
   * @return cluster status
   */
  public ClusterStatus getClusterStatus() {
    ClusterStatus status = new ClusterStatus();
    status.setHBaseVersion(VersionInfo.getVersion());
    status.setServerInfo(serverManager.getServersToServerInfo().values());
    status.setDeadServers(serverManager.getDeadServers());
    status.setRegionsInTransition(this.regionManager.getRegionsInTransition());
    return status;
  }
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      @Override
      public int compare(ServerName s1, ServerName s2) {
        return s1.getServerName().compareTo(s2.getServerName());
      }});

    return new ClusterStatus(VersionInfo.getVersion(),
      this.fileSystemManager.getClusterId().toString(),
      this.serverManager.getOnlineServers(),
      this.serverManager.getDeadServers().copyServerNames(),
      this.serverName,
      backupMasters,
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  public Map<String, HBaseTableUtil.TableStats> getTableStats(HBaseAdmin admin) throws IOException {
    // The idea is to walk thru live region servers, collect table region stats and aggregate them towards table total
    // metrics.

    Map<String, TableStats> datasetStat = Maps.newHashMap();
    ClusterStatus clusterStatus = admin.getClusterStatus();

    for (ServerName serverName : clusterStatus.getServers()) {
      Map<byte[], HServerLoad.RegionLoad> regionsLoad = clusterStatus.getLoad(serverName).getRegionsLoad();

      for (HServerLoad.RegionLoad regionLoad : regionsLoad.values()) {
        String tableName = Bytes.toString(HRegionInfo.getTableName(regionLoad.getName()));
        TableStats stat = datasetStat.get(tableName);
        if (stat == null) {
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    }

    @Override
    void perform() throws Exception {
      LOG.info("Unbalancing regions");
      ClusterStatus status = this.cluster.getClusterStatus();
      List<ServerName> victimServers = new LinkedList<ServerName>(status.getServers());
      int targetServerCount = (int)Math.ceil(fractionOfServers * victimServers.size());
      List<byte[]> targetServers = new ArrayList<byte[]>(targetServerCount);
      for (int i = 0; i < targetServerCount; ++i) {
        int victimIx = random.nextInt(victimServers.size());
        String serverName = victimServers.remove(victimIx).getServerName();
        targetServers.add(Bytes.toBytes(serverName));
      }

      List<byte[]> victimRegions = new LinkedList<byte[]>();
      for (ServerName server : victimServers) {
        HServerLoad serverLoad = status.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) {
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    lastMessageTime = curTime;

    // We're reusing an existing protobuf message, but we don't send everything.
    // This could be extended in the future, for example if we want to send stuff like the
    //  META server name.
    ClusterStatus cs = new ClusterStatus(VersionInfo.getVersion(),
        master.getMasterFileSystem().getClusterId().toString(),
        null,
        sns,
        master.getServerName(),
        null,
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    Collections.sort(backupMasters, new Comparator<ServerName>() {
      public int compare(ServerName s1, ServerName s2) {
        return s1.getServerName().compareTo(s2.getServerName());
      }});

    return new ClusterStatus(VersionInfo.getVersion(),
      this.fileSystemManager.getClusterId().toString(),
      this.serverManager.getOnlineServers(),
      this.serverManager.getDeadServers().copyServerNames(),
      this.serverName,
      backupMasters,
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  }
  /**
   * @return cluster status
   */
  public ClusterStatus getClusterStatus() {
    ClusterStatus status = new ClusterStatus();
    status.setHBaseVersion(VersionInfo.getVersion());
    status.setServerInfo(serverManager.getOnlineServers().values());
    status.setDeadServers(serverManager.getDeadServers());
    status.setRegionsInTransition(assignmentManager.getRegionsInTransition());
    return status;
  }
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    private class ClusterStatusHandler extends SimpleChannelUpstreamHandler {

      @Override
      public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
        ClusterStatusProtos.ClusterStatus csp = (ClusterStatusProtos.ClusterStatus) e.getMessage();
        ClusterStatus ncs = ClusterStatus.convert(csp);
        receive(ncs);
      }
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