本文整理匯總了Java中org.apache.hadoop.util.ReflectionUtils.logThreadInfo方法的典型用法代碼示例。如果您正苦於以下問題：Java ReflectionUtils.logThreadInfo方法的具體用法？Java ReflectionUtils.logThreadInfo怎麽用？Java ReflectionUtils.logThreadInfo使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.hadoop.util.ReflectionUtils的用法示例。
在下文中一共展示了ReflectionUtils.logThreadInfo方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: doGet
import org.apache.hadoop.util.ReflectionUtils; //導入方法依賴的package包/類
@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);
}
示例2: doGet
import org.apache.hadoop.util.ReflectionUtils; //導入方法依賴的package包/類
@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);
}
示例3: run
import org.apache.hadoop.util.ReflectionUtils; //導入方法依賴的package包/類
/**
* 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();
}