public override void Run()
{
try
{
TaskAttemptID reduceId = new TaskAttemptID(new TaskID(this.jobId, TaskType.Reduce
, this.taskId), 0);
LocalJobRunner.Log.Info("Starting task: " + reduceId);
ReduceTask reduce = new ReduceTask(this._enclosing.systemJobFile.ToString(), reduceId
, this.taskId, this._enclosing.mapIds.Count, 1);
reduce.SetUser(UserGroupInformation.GetCurrentUser().GetShortUserName());
LocalJobRunner.SetupChildMapredLocalDirs(reduce, this.localConf);
reduce.SetLocalMapFiles(this.mapOutputFiles);
if (!this._enclosing.IsInterrupted())
{
reduce.SetJobFile(this._enclosing.localJobFile.ToString());
this.localConf.SetUser(reduce.GetUser());
reduce.LocalizeConfiguration(this.localConf);
reduce.SetConf(this.localConf);
try
{
this._enclosing._enclosing.reduce_tasks.GetAndIncrement();
this._enclosing._enclosing.myMetrics.LaunchReduce(reduce.GetTaskID());
reduce.Run(this.localConf, this._enclosing);
this._enclosing._enclosing.myMetrics.CompleteReduce(reduce.GetTaskID());
}
finally
{
this._enclosing._enclosing.reduce_tasks.GetAndDecrement();
}
LocalJobRunner.Log.Info("Finishing task: " + reduceId);
}
else
{
throw new Exception();
}
}
catch (Exception t)
{
// store this to be rethrown in the initial thread context.
this.storedException = t;
}
}
public override void Run()
{
try
{
TaskAttemptID mapId = new TaskAttemptID(new TaskID(this.jobId, TaskType.Map, this
.taskId), 0);
LocalJobRunner.Log.Info("Starting task: " + mapId);
this._enclosing.mapIds.AddItem(mapId);
MapTask map = new MapTask(this._enclosing.systemJobFile.ToString(), mapId, this.taskId
, this.info.GetSplitIndex(), 1);
map.SetUser(UserGroupInformation.GetCurrentUser().GetShortUserName());
LocalJobRunner.SetupChildMapredLocalDirs(map, this.localConf);
MapOutputFile mapOutput = new MROutputFiles();
mapOutput.SetConf(this.localConf);
this.mapOutputFiles[mapId] = mapOutput;
map.SetJobFile(this._enclosing.localJobFile.ToString());
this.localConf.SetUser(map.GetUser());
map.LocalizeConfiguration(this.localConf);
map.SetConf(this.localConf);
try
{
this._enclosing._enclosing.map_tasks.GetAndIncrement();
this._enclosing._enclosing.myMetrics.LaunchMap(mapId);
map.Run(this.localConf, this._enclosing);
this._enclosing._enclosing.myMetrics.CompleteMap(mapId);
}
finally
{
this._enclosing._enclosing.map_tasks.GetAndDecrement();
}
LocalJobRunner.Log.Info("Finishing task: " + mapId);
}
catch (Exception e)
{
this.storedException = e;
}
}
