@Override
  public String toString() {
    return super.toString() +  ", WM state poolName=" + poolName + ", clusterFraction="
        + clusterFraction + ", queryId=" + queryId + ", killReason=" + killReason;
  }
The actual state of the guaranteed task, and the update state, for the session.
ql/src/java/org/apache/hadoop/hive/ql/exec/tez/WmTezSession.java