@Override
  public boolean equals(Object obj) {
    if (!(obj instanceof TaskRunnerCallable)) {
      return false;
    }
    return requestId.equals(((TaskRunnerCallable) obj).getRequestId());
  }
Inform the AM that this task has been killed.
llap-server/src/java/org/apache/hadoop/hive/llap/daemon/impl/TaskRunnerCallable.java