Package org.apache.hadoop.mapred.TaskController

Examples of org.apache.hadoop.mapred.TaskController.TaskControllerContext

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    localizedTaskConf = new JobConf(localTaskFile);
    TaskRunner.setupChildMapredLocalDirs(task, localizedTaskConf);
    // ///////

    // Initialize task via TaskController
    TaskControllerContext taskContext =
        new TaskController.TaskControllerContext();
    taskContext.env =
        new JvmEnv(null, null, null, null, -1, new File(localizedJobConf
            .get(TaskTracker.JOB_LOCAL_DIR)), null, localizedJobConf);
    taskContext.task = task;
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        TaskRunner taskRunner = jvmToRunningTask.get(jvmId);
        JvmRunner jvmRunner = jvmIdToRunner.get(jvmId);
        Task task = taskRunner.getTaskInProgress().getTask();

        // Initialize task dirs
        TaskControllerContext context =
            new TaskController.TaskControllerContext();
        context.env = jvmRunner.env;
        context.task = task;
        // If we are returning the same task as which the JVM was launched
        // we don't initialize task once again.
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        runChild(env);
        jvmFinished();
      }

      public void runChild(JvmEnv env) {
        initalContext = new TaskControllerContext();
        try {
          env.vargs.add(Integer.toString(jvmId.getId()));
          //Launch the task controller to run task JVM
          initalContext.task = jvmToRunningTask.get(jvmId).getTask();
          initalContext.env = env;
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        //JVM via this method. However when a new task is launched
        //the task being returned has to be initialized.
        TaskRunner taskRunner = jvmToRunningTask.get(jvmId);
        JvmRunner jvmRunner = jvmIdToRunner.get(jvmId);
        Task task = taskRunner.getTaskInProgress().getTask();
        TaskControllerContext context =
          new TaskController.TaskControllerContext();
        context.env = jvmRunner.env;
        context.task = task;
        //If we are returning the same task as which the JVM was launched
        //we don't initialize task once again.
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        // Post-JVM-exit logs processing. Truncate the logs.
        truncateJVMLogs();
      }

      public void runChild(JvmEnv env) {
        initalContext = new TaskControllerContext();
        try {
          env.vargs.add(Integer.toString(jvmId.getId()));
          //Launch the task controller to run task JVM
          initalContext.task = jvmToRunningTask.get(jvmId).getTask();
          initalContext.env = env;
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        TaskRunner taskRunner = jvmToRunningTask.get(jvmId);
        JvmRunner jvmRunner = jvmIdToRunner.get(jvmId);
        Task task = taskRunner.getTaskInProgress().getTask();

        // Initialize task dirs
        TaskControllerContext context =
            new TaskController.TaskControllerContext();
        context.env = jvmRunner.env;
        context.task = task;
        // If we are returning the same task as which the JVM was launched
        // we don't initialize task once again.
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      public void run() {
        runChild(env);
      }

      public void runChild(JvmEnv env) {
        initalContext = new TaskControllerContext();
        try {
          env.vargs.add(Integer.toString(jvmId.getId()));
          //Launch the task controller to run task JVM
          initalContext.task = jvmToRunningTask.get(jvmId).getTask();
          initalContext.env = env;
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    localizedTaskConf = new JobConf(localTaskFile);
    TaskRunner.setupChildMapredLocalDirs(task, localizedTaskConf);
    // ///////

    // Initialize task via TaskController
    TaskControllerContext taskContext =
        new TaskController.TaskControllerContext();
    taskContext.env =
        new JvmEnv(null, null, null, null, -1, new File(localizedJobConf
            .get(TaskTracker.JOB_LOCAL_DIR)), null, localizedJobConf);
    taskContext.task = task;
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    localizedTaskConf = new JobConf(localTaskFile);
    TaskRunner.setupChildMapredLocalDirs(task, localizedTaskConf);
    // ///////

    // Initialize task via TaskController
    TaskControllerContext taskContext =
        new TaskController.TaskControllerContext();
    taskContext.env =
        new JvmEnv(null, null, null, null, -1, new File(localizedJobConf
            .get(TaskTracker.JOB_LOCAL_DIR)), null, localizedJobConf);
    taskContext.task = task;
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    localizedTaskConf = new JobConf(localTaskFile);
    TaskRunner.setupChildMapredLocalDirs(task, localizedTaskConf);
    // ///////

    // Initialize task via TaskController
    TaskControllerContext taskContext =
        new TaskController.TaskControllerContext();
    taskContext.env =
        new JvmEnv(null, null, null, null, -1, new File(localizedJobConf
            .get(TaskTracker.JOB_LOCAL_DIR)), null, localizedJobConf);
    taskContext.task = task;
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Related Classes of org.apache.hadoop.mapred.TaskController.TaskControllerContext

  • org.apache.hadoop.mapred.JvmManager$JvmManagerForType
  • org.apache.hadoop.mapred.JvmManager$JvmManagerForType$JvmRunner
  • org.apache.hadoop.mapred.TaskTracker
  • org.apache.hadoop.mapred.TestTaskTrackerLocalization
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