//Used for status updates
public virtual void Init(ShuffleConsumerPlugin.Context context)
{
this.context = context;
this.reduceId = context.GetReduceId();
this.jobConf = context.GetJobConf();
this.umbilical = context.GetUmbilical();
this.reporter = context.GetReporter();
this.metrics = new ShuffleClientMetrics(reduceId, jobConf);
this.copyPhase = context.GetCopyPhase();
this.taskStatus = context.GetStatus();
this.reduceTask = context.GetReduceTask();
this.localMapFiles = context.GetLocalMapFiles();
scheduler = new ShuffleSchedulerImpl <K, V>(jobConf, taskStatus, reduceId, this, copyPhase
, context.GetShuffledMapsCounter(), context.GetReduceShuffleBytes(), context.GetFailedShuffleCounter
());
merger = CreateMergeManager(context);
}