Examples of org.apache.hama.bsp.GroomServer

org.apache.hama.bsp.GroomServer
A Groom Server (shortly referred to as groom) is a process that performs bsp tasks assigned by BSPMaster. Each groom contacts the BSPMaster, and it takes assigned tasks and reports its status by means of periodical piggybacks with BSPMaster. Each groom is designed to run with HDFS or other distributed storages. Basically, a groom server and a data node should be run on one physical node.

   * @return Groom server added.
   */
  public static ClusterUtil.GroomServerThread createGroomServerThread(final Configuration c,
    final Class<? extends GroomServer> hrsc, final int index)
  throws IOException {
    GroomServer server;
      try {
        server = hrsc.getConstructor(Configuration.class).newInstance(c);
      } catch (Exception e) {
        IOException ioe = new IOException();
        ioe.initCause(e);

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      System.exit(-1);
    }


    try {
      Configuration conf = new HamaConfiguration(getConf());
      GroomServer groom = GroomServer.constructGroomServer(GroomServer.class,
          conf);
      GroomServer.startGroomServer(groom).join();
    } catch (Throwable e) {
      LOG.fatal(StringUtils.stringifyException(e));
      return -1;

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   * @return Groom server added.
   */
  public static ClusterUtil.GroomServerThread createGroomServerThread(final Configuration c,
    final Class<? extends GroomServer> hrsc, final int index)
  throws IOException {
    GroomServer server;
      try {
        server = hrsc.getConstructor(Configuration.class).newInstance(c);
      } catch (Exception e) {
        IOException ioe = new IOException();
        ioe.initCause(e);

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      if (args.length == 1) {
        conf.set("bsp.peer.hostname", args[0]);
      }


      GroomServer groom = GroomServer.constructGroomServer(GroomServer.class,
          conf);
      GroomServer.startGroomServer(groom).join();
    } catch (Throwable e) {
      LOG.fatal(StringUtils.stringifyException(e));
      return -1;

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   * @return Groom server added.
   */
  public static ClusterUtil.GroomServerThread createGroomServerThread(
      final Configuration c, final Class<? extends GroomServer> hrsc,
      final int index) throws IOException {
    GroomServer server;
    try {
      server = hrsc.getConstructor(Configuration.class).newInstance(c);
    } catch (Exception e) {
      IOException ioe = new IOException();
      ioe.initCause(e);

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org.apache.hama.HamaConfiguration

org.apache.hama.http.HttpServer

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