/// <summary>Set current phase of this task.</summary>
/// <param name="phase">phase of this task</param>
public virtual void SetPhase(TaskStatus.Phase phase)
{
TaskStatus.Phase oldPhase = GetPhase();
if (oldPhase != phase)
{
// sort phase started
if (phase == TaskStatus.Phase.Sort)
{
if (oldPhase == TaskStatus.Phase.Map)
{
SetMapFinishTime(Runtime.CurrentTimeMillis());
}
else
{
SetShuffleFinishTime(Runtime.CurrentTimeMillis());
}
}
else
{
if (phase == TaskStatus.Phase.Reduce)
{
SetSortFinishTime(Runtime.CurrentTimeMillis());
}
}
this.phase = phase;
}
}
public _TaskStatus_187(int maxSize, TaskAttemptID baseArg1, float baseArg2, int baseArg3
, TaskStatus.State baseArg4, string baseArg5, string baseArg6, string baseArg7,
TaskStatus.Phase baseArg8, Counters baseArg9)
: base(baseArg1, baseArg2, baseArg3, baseArg4, baseArg5, baseArg6, baseArg7, baseArg8
, baseArg9)
{
this.maxSize = maxSize;
}
/// <summary>
/// Update specific fields of task status
/// This update is done in JobTracker when a cleanup attempt of task
/// reports its status.
/// </summary>
/// <remarks>
/// Update specific fields of task status
/// This update is done in JobTracker when a cleanup attempt of task
/// reports its status. Then update only specific fields, not all.
/// </remarks>
/// <param name="runState"/>
/// <param name="progress"/>
/// <param name="state"/>
/// <param name="phase"/>
/// <param name="finishTime"/>
internal virtual void StatusUpdate(TaskStatus.State runState, float progress, string
state, TaskStatus.Phase phase, long finishTime)
{
lock (this)
{
SetRunState(runState);
SetProgress(progress);
SetStateString(state);
SetPhase(phase);
if (finishTime > 0)
{
SetFinishTime(finishTime);
}
}
}
public TaskStatus(TaskAttemptID taskid, float progress, int numSlots, TaskStatus.State
runState, string diagnosticInfo, string stateString, string taskTracker, TaskStatus.Phase
phase, Counters counters)
{
this.taskid = taskid;
this.progress = progress;
this.numSlots = numSlots;
this.runState = runState;
SetDiagnosticInfo(diagnosticInfo);
SetStateString(stateString);
this.taskTracker = taskTracker;
this.phase = phase;
this.counters = counters;
this.includeAllCounters = true;
}
/// <exception cref="System.IO.IOException"/>
public virtual void ReadFields(DataInput @in)
{
this.taskid.ReadFields(@in);
SetProgress(@in.ReadFloat());
this.numSlots = @in.ReadInt();
this.runState = WritableUtils.ReadEnum <TaskStatus.State>(@in);
SetDiagnosticInfo(StringInterner.WeakIntern(Text.ReadString(@in)));
SetStateString(StringInterner.WeakIntern(Text.ReadString(@in)));
this.phase = WritableUtils.ReadEnum <TaskStatus.Phase>(@in);
this.startTime = @in.ReadLong();
this.finishTime = @in.ReadLong();
counters = new Counters();
this.includeAllCounters = @in.ReadBoolean();
this.outputSize = @in.ReadLong();
counters.ReadFields(@in);
nextRecordRange.ReadFields(@in);
}
/// <summary>Update the status of the task.</summary>
/// <param name="status">updated status</param>
internal virtual void StatusUpdate(Org.Apache.Hadoop.Mapred.TaskStatus status)
{
lock (this)
{
SetProgress(status.GetProgress());
this.runState = status.GetRunState();
SetStateString(status.GetStateString());
this.nextRecordRange = status.GetNextRecordRange();
SetDiagnosticInfo(status.GetDiagnosticInfo());
if (status.GetStartTime() > 0)
{
this.SetStartTime(status.GetStartTime());
}
if (status.GetFinishTime() > 0)
{
this.SetFinishTime(status.GetFinishTime());
}
this.phase = status.GetPhase();
this.counters = status.GetCounters();
this.outputSize = status.outputSize;
}
}
public static Phase ToYarn(TaskStatus.Phase phase)
{
switch (phase)
{
case TaskStatus.Phase.Starting:
{
return(Phase.Starting);
}
case TaskStatus.Phase.Map:
{
return(Phase.Map);
}
case TaskStatus.Phase.Shuffle:
{
return(Phase.Shuffle);
}
case TaskStatus.Phase.Sort:
{
return(Phase.Sort);
}
case TaskStatus.Phase.Reduce:
{
return(Phase.Reduce);
}
case TaskStatus.Phase.Cleanup:
{
return(Phase.Cleanup);
}
}
throw new YarnRuntimeException("Unrecognized Phase: " + phase);
}
public MapTaskStatus(TaskAttemptID taskid, float progress, int numSlots, TaskStatus.State
runState, string diagnosticInfo, string stateString, string taskTracker, TaskStatus.Phase
phase, Counters counters)
: base(taskid, progress, numSlots, runState, diagnosticInfo, stateString, taskTracker
, phase, counters)
{
}
internal static Org.Apache.Hadoop.Mapred.TaskStatus CreateTaskStatus(bool isMap,
TaskAttemptID taskId, float progress, int numSlots, TaskStatus.State runState, string
diagnosticInfo, string stateString, string taskTracker, TaskStatus.Phase phase,
Counters counters)
{
return((isMap) ? new MapTaskStatus(taskId, progress, numSlots, runState, diagnosticInfo
, stateString, taskTracker, phase, counters) : new ReduceTaskStatus(taskId, progress
, numSlots, runState, diagnosticInfo, stateString, taskTracker, phase, counters));
}
//////////////////////////////////////////////////////////////////////////////
// Factory-like methods to create/read/write appropriate TaskStatus objects
//////////////////////////////////////////////////////////////////////////////
/// <exception cref="System.IO.IOException"/>
internal static Org.Apache.Hadoop.Mapred.TaskStatus CreateTaskStatus(DataInput @in
, TaskAttemptID taskId, float progress, int numSlots, TaskStatus.State runState,
string diagnosticInfo, string stateString, string taskTracker, TaskStatus.Phase
phase, Counters counters)
{
bool isMap = @in.ReadBoolean();
return(CreateTaskStatus(isMap, taskId, progress, numSlots, runState, diagnosticInfo
, stateString, taskTracker, phase, counters));
}
