Java Code Examples for org.apache.hadoop.util.ReflectionUtils#logThreadInfo()

@Override
public void run() {
  LOG.info("Starting HeartbeatMonitor");
  boolean forceExit = false;
  long gap = 0;
  while (running && !shuttingDown) {
    long now = System.currentTimeMillis();
    gap = now - lastHeartbeat;
    if (gap > maxHeartbeatGap) {
      forceExit = true;
      break;
    }
    try {
      Thread.sleep(1000);
    } catch (InterruptedException e) {
    }
  }
  if (forceExit) {
    LOG.fatal("No heartbeat for " + gap + " msec, TaskTracker has to die");
    ReflectionUtils.logThreadInfo(LOG, "No heartbeat", 1);
    System.exit(-1);
  } else {
    LOG.info("Stopping HeartbeatMonitor, running=" + running +
      ", shuttingDown=" + shuttingDown);
  }
}
 

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
  if (!HttpServer2.isInstrumentationAccessAllowed(getServletContext(),
      request, response)) {
    return;
  }
  response.setContentType("text/plain; charset=UTF-8");
  try (PrintStream out = new PrintStream(
      response.getOutputStream(), false, "UTF-8")) {
    ReflectionUtils.printThreadInfo(out, "");
  }
  ReflectionUtils.logThreadInfo(LOG, "jsp requested", 1);
}
 

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
  throws ServletException, IOException {
  if (!HttpServer.isInstrumentationAccessAllowed(getServletContext(),
                                                 request, response)) {
    return;
  }
  response.setContentType("text/plain; charset=UTF-8");
  try (PrintStream out = new PrintStream(
      response.getOutputStream(), false, "UTF-8")) {
    ReflectionUtils.printThreadInfo(out, "");
  }
  ReflectionUtils.logThreadInfo(LOG, "jsp requested", 1);      
}
 

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
  throws ServletException, IOException {
  if (!HttpServer2.isInstrumentationAccessAllowed(getServletContext(),
                                                  request, response)) {
    return;
  }
  response.setContentType("text/plain; charset=UTF-8");
  try (PrintStream out = new PrintStream(
      response.getOutputStream(), false, "UTF-8")) {
    ReflectionUtils.printThreadInfo(out, "");
  }
  ReflectionUtils.logThreadInfo(LOG, "jsp requested", 1);
}
 

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
  throws ServletException, IOException {
  if (!HttpServer.isInstrumentationAccessAllowed(getServletContext(),
                                                 request, response)) {
    return;
  }
  response.setContentType("text/plain; charset=UTF-8");
  try (PrintStream out = new PrintStream(
      response.getOutputStream(), false, "UTF-8")) {
    ReflectionUtils.printThreadInfo(out, "");
  }
  ReflectionUtils.logThreadInfo(LOG, "jsp requested", 1);      
}
 

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
  throws ServletException, IOException {
  if (!HttpServer2.isInstrumentationAccessAllowed(getServletContext(),
                                                  request, response)) {
    return;
  }
  response.setContentType("text/plain; charset=UTF-8");
  try (PrintStream out = new PrintStream(
      response.getOutputStream(), false, "UTF-8")) {
    ReflectionUtils.printThreadInfo(out, "");
  }
  ReflectionUtils.logThreadInfo(LOG, "jsp requested", 1);
}
 

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
  if (!HttpServer2.isInstrumentationAccessAllowed(getServletContext(),
      request, response)) {
    return;
  }
  response.setContentType("text/plain; charset=UTF-8");
  try (PrintStream out = new PrintStream(
      response.getOutputStream(), false, "UTF-8")) {
    ReflectionUtils.printThreadInfo(out, "");
  }
  ReflectionUtils.logThreadInfo(LOG, "jsp requested", 1);
}
 

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
  if (!HttpServer2.isInstrumentationAccessAllowed(getServletContext(),
      request, response)) {
    return;
  }
  response.setContentType("text/plain; charset=UTF-8");
  try (PrintStream out = new PrintStream(
      response.getOutputStream(), false, "UTF-8")) {
    ReflectionUtils.printThreadInfo(out, "");
  }
  ReflectionUtils.logThreadInfo(LOG, "jsp requested", 1);
}
 

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
  if (!HttpServer2.isInstrumentationAccessAllowed(getServletContext(),
      request, response)) {
    return;
  }
  response.setContentType("text/plain; charset=UTF-8");
  try (PrintStream out = new PrintStream(
      response.getOutputStream(), false, "UTF-8")) {
    ReflectionUtils.printThreadInfo(out, "");
  }
  ReflectionUtils.logThreadInfo(LOG, "jsp requested", 1);
}
 

/**
 * Kill any tasks that have not reported progress in the last X seconds.
 */
protected synchronized void markUnresponsiveTasks() throws IOException {
  long now = System.currentTimeMillis();
  for (TaskInProgress tip: runningTasks.values()) {
    if (tip.getRunState() == TaskStatus.State.RUNNING ||
        tip.getRunState() == TaskStatus.State.COMMIT_PENDING ||
        tip.isCleaningup()) {
      // Check the per-job timeout interval for tasks;
      // an interval of '0' implies it is never timed-out
      long jobTaskTimeout = tip.getTaskTimeout();
      if (jobTaskTimeout == 0) {
        continue;
      }

      // Check if the task has not reported progress for a
      // time-period greater than the configured time-out
      long timeSinceLastReport = now - tip.getLastProgressReport();
      if (timeSinceLastReport > jobTaskTimeout && !tip.wasKilled) {
        String msg =
          "Task " + tip.getTask().getTaskID() + " failed to report status for "
          + (timeSinceLastReport / 1000) + " seconds. Killing!";
        LOG.info(tip.getTask().getTaskID() + ": " + msg);
        ReflectionUtils.logThreadInfo(LOG, "lost task", 30);
        tip.reportDiagnosticInfo(msg);
        myInstrumentation.timedoutTask(tip.getTask().getTaskID());
        purgeTask(tip, true);
      }
    }
  }
}
 

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
  throws ServletException, IOException {
  
  PrintWriter out = new PrintWriter
                (HtmlQuoting.quoteOutputStream(response.getOutputStream()));
  ReflectionUtils.printThreadInfo(out, "");
  out.close();
  ReflectionUtils.logThreadInfo(LOG, "jsp requested", 1);      
}
 

/**
 * Kill any tasks that have not reported progress in the last X seconds.
 */
private synchronized void markUnresponsiveTasks() throws IOException {
  long now = System.currentTimeMillis();
  for (TaskInProgress tip: runningTasks.values()) {
    if (tip.getRunState() == TaskStatus.State.RUNNING ||
        tip.getRunState() == TaskStatus.State.COMMIT_PENDING ||
        tip.isCleaningup()) {
      // Check the per-job timeout interval for tasks;
      // an interval of '0' implies it is never timed-out
      long jobTaskTimeout = tip.getTaskTimeout();
      if (jobTaskTimeout == 0) {
        continue;
      }
        
      // Check if the task has not reported progress for a 
      // time-period greater than the configured time-out
      long timeSinceLastReport = now - tip.getLastProgressReport();
      if (timeSinceLastReport > jobTaskTimeout && !tip.wasKilled) {
        String msg = 
          "Task " + tip.getTask().getTaskID() + " failed to report status for " 
          + (timeSinceLastReport / 1000) + " seconds. Killing!";
        LOG.info(tip.getTask().getTaskID() + ": " + msg);
        ReflectionUtils.logThreadInfo(LOG, "lost task", 30);
        tip.reportDiagnosticInfo(msg);
        myInstrumentation.timedoutTask(tip.getTask().getTaskID());
        purgeTask(tip, true);
      }
    }
  }
}
 

@Override
public void doGet(HttpServletRequest request, HttpServletResponse response)
  throws ServletException, IOException {
  
  PrintWriter out = new PrintWriter(response.getOutputStream());
  ReflectionUtils.printThreadInfo(out, "");
  out.close();
  ReflectionUtils.logThreadInfo(LOG, "jsp requested", 1);      
}
 

/** 
 * The communication thread handles communication with the parent (Task Tracker). 
 * It sends progress updates if progress has been made or if the task needs to 
 * let the parent know that it's alive. It also pings the parent to see if it's alive. 
 */
public void run() {
  final int MAX_RETRIES = 3;
  int remainingRetries = MAX_RETRIES;
  // get current flag value and reset it as well
  boolean sendProgress = resetProgressFlag();
  while (!taskDone.get()) {
    synchronized (lock) {
      done = false;
    }
    try {
      boolean taskFound = true; // whether TT knows about this task
      // sleep for a bit
      synchronized(lock) {
        if (taskDone.get()) {
          break;
        }
        lock.wait(PROGRESS_INTERVAL);
      }
      if (taskDone.get()) {
        break;
      }

      if (sendProgress) {
        // we need to send progress update
        updateCounters();
        taskStatus.statusUpdate(taskProgress.get(),
                                taskProgress.toString(), 
                                counters);
        taskFound = umbilical.statusUpdate(taskId, taskStatus);
        taskStatus.clearStatus();
      }
      else {
        // send ping 
        taskFound = umbilical.ping(taskId);
      }

      // if Task Tracker is not aware of our task ID (probably because it died and 
      // came back up), kill ourselves
      if (!taskFound) {
        LOG.warn("Parent died.  Exiting "+taskId);
        resetDoneFlag();
        System.exit(66);
      }

      sendProgress = resetProgressFlag(); 
      remainingRetries = MAX_RETRIES;
    } 
    catch (Throwable t) {
      LOG.info("Communication exception: " + StringUtils.stringifyException(t));
      remainingRetries -=1;
      if (remainingRetries == 0) {
        ReflectionUtils.logThreadInfo(LOG, "Communication exception", 0);
        LOG.warn("Last retry, killing "+taskId);
        resetDoneFlag();
        System.exit(65);
      }
    }
  }
  //Notify that we are done with the work
  resetDoneFlag();
}
 

/** 
 * The communication thread handles communication with the parent (Task Tracker). 
 * It sends progress updates if progress has been made or if the task needs to 
 * let the parent know that it's alive. It also pings the parent to see if it's alive. 
 */
public void run() {
  final int MAX_RETRIES = 3;
  int remainingRetries = MAX_RETRIES;
  // get current flag value and reset it as well
  boolean sendProgress = resetProgressFlag();
  while (!taskDone.get()) {
    synchronized (lock) {
      done = false;
    }
    try {
      boolean taskFound = true; // whether TT knows about this task
      // sleep for a bit
      synchronized(lock) {
        if (taskDone.get()) {
          break;
        }
        lock.wait(PROGRESS_INTERVAL);
      }
      if (taskDone.get()) {
        break;
      }

      if (sendProgress) {
        // we need to send progress update
        updateCounters();
        taskStatus.statusUpdate(taskProgress.get(),
                                taskProgress.toString(), 
                                counters);
        taskFound = umbilical.statusUpdate(taskId, taskStatus);
        taskStatus.clearStatus();
      }
      else {
        // send ping 
        taskFound = umbilical.ping(taskId);
      }

      // if Task Tracker is not aware of our task ID (probably because it died and 
      // came back up), kill ourselves
      if (!taskFound) {
        LOG.warn("Parent died.  Exiting "+taskId);
        resetDoneFlag();
        System.exit(66);
      }

      sendProgress = resetProgressFlag(); 
      remainingRetries = MAX_RETRIES;
    } 
    catch (Throwable t) {
      LOG.info("Communication exception: " + StringUtils.stringifyException(t));
      remainingRetries -=1;
      if (remainingRetries == 0) {
        ReflectionUtils.logThreadInfo(LOG, "Communication exception", 0);
        LOG.warn("Last retry, killing "+taskId);
        resetDoneFlag();
        System.exit(65);
      }
    }
  }
  //Notify that we are done with the work
  resetDoneFlag();
}
 

Runnable createReporterThread() {

      return new Runnable() {
        int remainingRetries = MAX_RETRIES;
        @Override
        public void run() {
          while (!isStopped() && !Thread.interrupted()) {

            try {
              Interface masterStub = getStub();

              if(tasks.size() == 0){
                masterStub.ping(null, getExecutionBlockId().getProto(), NullCallback.get());
              } else {
                for (Task task : new ArrayList<>(tasks.values())){

                  if (task.getTaskContext().getState() ==
                      TajoProtos.TaskAttemptState.TA_RUNNING && task.isProgressChanged()) {
                    masterStub.statusUpdate(null, task.getReport(), NullCallback.get());
                  }
                  task.updateProgress();
                }
              }
            } catch (Throwable t) {
              LOG.error(t.getMessage(), t);
              remainingRetries -=1;
              if (remainingRetries == 0) {
                ReflectionUtils.logThreadInfo(LOG, "Communication exception", 0);
                LOG.warn("Last retry, exiting ");
                throw new RuntimeException(t);
              }
            } finally {
              if (remainingRetries > 0 && !isStopped()) {
                synchronized (reporterThread) {
                  try {
                    reporterThread.wait(PROGRESS_INTERVAL);
                  } catch (InterruptedException e) {
                  }
                }
              }
            }
          }
        }
      };
    }
 

/** 
 * The communication thread handles communication with the parent (Task Tracker). 
 * It sends progress updates if progress has been made or if the task needs to 
 * let the parent know that it's alive. It also pings the parent to see if it's alive. 
 */
public void run() {
  final int MAX_RETRIES = 10;
  int remainingRetries = MAX_RETRIES;
  // get current flag value and reset it as well
  boolean sendProgress = resetProgressFlag();
  while (!taskDone.get()) {
    try {
      boolean taskFound = true; // whether TT knows about this task
      // sleep for a bit
      try {
        Thread.sleep(PROGRESS_INTERVAL);
      } 
      catch (InterruptedException e) {
        if (taskDone.get()) {
          LOG.debug(getTaskID() + " Progress/ping thread exiting " +
                    "since it got interrupted");
          break;
        } else {
          LOG.warn ("Unexpected InterruptedException");
        }
      }

      if (sendProgress) {
        // we need to send progress update
        updateCounters();
        taskStatus.statusUpdate(taskProgress.get(),
                                taskProgress.toString(), 
                                counters);
        taskFound = umbilical.statusUpdate(taskId, taskStatus);
        taskStatus.clearStatus();
      }
      else {
        // send ping 
        taskFound = umbilical.ping(taskId);
      }

      // if Task Tracker is not aware of our task ID (probably because it died and 
      // came back up), kill ourselves
      if (!taskFound) {
        LOG.warn("Parent died.  Exiting "+taskId);
        System.exit(66);
      }

      sendProgress = resetProgressFlag(); 
      remainingRetries = MAX_RETRIES;
    } 
    catch (Throwable t) {
      LOG.info("Communication exception: " + StringUtils.stringifyException(t));
      remainingRetries -=1;
      if (remainingRetries == 0) {
        ReflectionUtils.logThreadInfo(LOG, "Communication exception", 0);
        LOG.warn("Last retry, killing "+taskId);
        System.exit(65);
      }
    }
  }
}
 

/** 
 * The communication thread handles communication with the parent (Task Tracker). 
 * It sends progress updates if progress has been made or if the task needs to 
 * let the parent know that it's alive. It also pings the parent to see if it's alive. 
 */
public void run() {
  final int MAX_RETRIES = 3;
  int remainingRetries = MAX_RETRIES;
  // get current flag value and reset it as well
  boolean sendProgress = resetProgressFlag();
  while (!taskDone.get()) {
    try {
      boolean taskFound = true; // whether TT knows about this task
      // sleep for a bit
      try {
        Thread.sleep(PROGRESS_INTERVAL);
      } 
      catch (InterruptedException e) {
        LOG.debug(getTaskID() + " Progress/ping thread exiting " +
        "since it got interrupted");
        break;
      }

      if (sendProgress) {
        // we need to send progress update
        updateCounters();
        taskStatus.statusUpdate(taskProgress.get(),
                                taskProgress.toString(), 
                                counters);
        taskFound = umbilical.statusUpdate(taskId, taskStatus);
        taskStatus.clearStatus();
      }
      else {
        // send ping 
        taskFound = umbilical.ping(taskId);
      }

      // if Task Tracker is not aware of our task ID (probably because it died and 
      // came back up), kill ourselves
      if (!taskFound) {
        LOG.warn("Parent died.  Exiting "+taskId);
        System.exit(66);
      }

      sendProgress = resetProgressFlag(); 
      remainingRetries = MAX_RETRIES;
    } 
    catch (Throwable t) {
      LOG.info("Communication exception: " + StringUtils.stringifyException(t));
      remainingRetries -=1;
      if (remainingRetries == 0) {
        ReflectionUtils.logThreadInfo(LOG, "Communication exception", 0);
        LOG.warn("Last retry, killing "+taskId);
        System.exit(65);
      }
    }
  }
}