get the rackname where the attempt executed concode_field_sep TaskType taskType concode_elem_sep long finishTime concode_elem_sep String hostname concode_elem_sep Counters counters concode_elem_sep String rackName concode_elem_sep TaskAttemptFinished datum concode_elem_sep String state concode_elem_sep String taskStatus concode_elem_sep TaskAttemptID attemptId concode_field_sep TaskID getTaskId concode_elem_sep Counters getCounters concode_elem_sep String getHostname concode_elem_sep String getState concode_elem_sep EventType getEventType concode_elem_sep Object getDatum concode_elem_sep long getFinishTime concode_elem_sep TaskAttemptID getAttemptId concode_elem_sep void setDatum concode_elem_sep String getTaskStatus concode_elem_sep TaskType getTaskType
String function ( ) { return rackName == null ? null : rackName . toString ( ) ; }