Exemplo n.º 1
0
 /** Shut down the servers. */
 public void shutdown() {
   try {
     waitTaskTrackers();
     for (int idx = 0; idx < numTaskTrackers; idx++) {
       TaskTrackerRunner taskTracker = taskTrackerList.get(idx);
       Thread taskTrackerThread = taskTrackerThreadList.get(idx);
       taskTracker.shutdown();
       try {
         taskTrackerThread.join();
       } catch (InterruptedException ex) {
         LOG.error("Problem shutting down task tracker", ex);
       }
     }
     stopJobTracker();
   } finally {
     File configDir = new File("build", "minimr");
     File siteFile = new File(configDir, "mapred-site.xml");
     siteFile.delete();
   }
 }
Exemplo n.º 2
0
  /** Wait until the system is idle. */
  public void waitUntilIdle() {
    waitTaskTrackers();

    JobClient client;
    try {
      client = new JobClient(job);
      ClusterStatus status = client.getClusterStatus();
      while (status.getTaskTrackers() + numTrackerToExclude < taskTrackerList.size()) {
        for (TaskTrackerRunner runner : taskTrackerList) {
          if (runner.isDead) {
            throw new RuntimeException("TaskTracker is dead");
          }
        }
        Thread.sleep(1000);
        status = client.getClusterStatus();
      }
    } catch (IOException ex) {
      throw new RuntimeException(ex);
    } catch (InterruptedException ex) {
      throw new RuntimeException(ex);
    }
  }