public virtual void TestMutiEntryDataStatistics()
{
DataStatistics statistics = new DataStatistics();
statistics.Add(17);
statistics.Add(29);
NUnit.Framework.Assert.AreEqual(2, statistics.Count(), Tol);
NUnit.Framework.Assert.AreEqual(23.0, statistics.Mean(), Tol);
NUnit.Framework.Assert.AreEqual(36.0, statistics.Var(), Tol);
NUnit.Framework.Assert.AreEqual(6.0, statistics.Std(), Tol);
NUnit.Framework.Assert.AreEqual(29.0, statistics.Outlier(1.0f), Tol);
}
public virtual void UpdateAttempt(TaskAttemptStatusUpdateEvent.TaskAttemptStatus
status, long timestamp)
{
TaskAttemptId attemptID = status.id;
TaskId taskID = attemptID.GetTaskId();
JobId jobID = taskID.GetJobId();
Org.Apache.Hadoop.Mapreduce.V2.App.Job.Job job = context.GetJob(jobID);
if (job == null)
{
return;
}
Task task = job.GetTask(taskID);
if (task == null)
{
return;
}
long boxedStart = startTimes[attemptID];
long start = boxedStart == null ? long.MinValue : boxedStart;
TaskAttempt taskAttempt = task.GetAttempt(attemptID);
if (taskAttempt.GetState() == TaskAttemptState.Succeeded)
{
bool isNew = false;
// is this a new success?
lock (doneTasks)
{
if (!doneTasks.Contains(task))
{
doneTasks.AddItem(task);
isNew = true;
}
}
// It's a new completion
// Note that if a task completes twice [because of a previous speculation
// and a race, or a success followed by loss of the machine with the
// local data] we only count the first one.
if (isNew)
{
long finish = timestamp;
if (start > 1L && finish > 1L && start <= finish)
{
long duration = finish - start;
DataStatistics statistics = DataStatisticsForTask(taskID);
if (statistics != null)
{
statistics.Add(duration);
}
}
}
}
}
public virtual void TestUpdateStatistics()
{
DataStatistics statistics = new DataStatistics(17);
statistics.Add(29);
NUnit.Framework.Assert.AreEqual(2, statistics.Count(), Tol);
NUnit.Framework.Assert.AreEqual(23.0, statistics.Mean(), Tol);
NUnit.Framework.Assert.AreEqual(36.0, statistics.Var(), Tol);
statistics.UpdateStatistics(17, 29);
NUnit.Framework.Assert.AreEqual(2, statistics.Count(), Tol);
NUnit.Framework.Assert.AreEqual(29.0, statistics.Mean(), Tol);
NUnit.Framework.Assert.AreEqual(0.0, statistics.Var(), Tol);
}
