Example usage for org.apache.hadoop.mapred TaskStatus TaskStatus

Introduction

In this page you can find the example usage for org.apache.hadoop.mapred TaskStatus TaskStatus.

Prototype

public TaskStatus() 

Source Link

Usage

From source file:org.estado.core.JobStatusChecker.java

License:Apache License

private List<TaskStatus> getTaskDetails(RunningJob job) {
    TaskCompletionEvent[] tasks = new TaskCompletionEvent[0];
    List<TaskStatus> taskStatusList = new ArrayList<TaskStatus>();
    try {//from   w w  w  .  j ava 2 s  .c om
        tasks = job.getTaskCompletionEvents(0);

        for (TaskCompletionEvent task : tasks) {
            TaskStatus taskStatus = new TaskStatus();
            taskStatus.setTaskId(task.getTaskAttemptId().toString());
            taskStatus.setStatus(task.getTaskStatus().toString());
            taskStatus.setDuration(task.getTaskRunTime() * 1L); //change to long
            taskStatus.setTaskType(task.isMapTask() ? "Map" : "Reduce");
            if (!task.getTaskStatus().equals(TaskCompletionEvent.Status.SUCCEEDED)) {
                String url = task.getTaskTrackerHttp() + "/tasklog?attemptid=" + task.getTaskAttemptId()
                        + "&all=true";
                URLConnection connection = new URL(url).openConnection();
                connection.setDoOutput(true);
                connection.connect();
                Scanner s = new java.util.Scanner(connection.getInputStream()).useDelimiter("\\A");
                String log = s.hasNext() ? s.next() : "";
                taskStatus.setLog(log);
            }
            taskStatusList.add(taskStatus);
        }
    } catch (IOException e) {
        e.printStackTrace();
    }

    return taskStatusList;
}

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