@Override
    public String toString() {
      return "[victimHeaders=" + Arrays.toString(victimHeaders) + ", victimCount="
          + victimCount + ", baseHeaders=" + Arrays.toString(baseHeaders) + ", baseCount="
          + baseCount + ", remainingToFind=" + remainingToFind  + "]";
    }
The headers from abandoned moved attempts that cannot yet be returned to the
free lists, or unlocked due to some lock being held and deadlock potential.
llap-server/src/java/org/apache/hadoop/hive/llap/cache/BuddyAllocator.java