private URL getTaskAttemptURL(String dagId, String taskId, String attemptId) throws MalformedURLException {
      return new URL(_timelineWebAddr + "/TEZ_TASK_ATTEMPT_ID/" + attemptId);
    }
Task level data mining for Tez Tasks from timeline server API
app/com/linkedin/drelephant/tez/fetchers/TezFetcher.java