@Override
  public void notifyEvicted(LlapCacheableBuffer buffer) {
    evictionListener.notifyEvicted(buffer);
    reportRemoved(buffer);
  }
Constructs a String by pretty printing a TagState instance - for Web UI consumption.
Note: does not lock on TagState instance.
@param state
@return
llap-server/src/java/org/apache/hadoop/hive/llap/cache/CacheContentsTracker.java