private void doNotifyUnderHeapLock(int count, LlapCacheableBuffer[] cacheableBuffers) {
    for (int i = 0; i < count; i++) {
      doNotifyUnderHeapLock(cacheableBuffers[i]);
    }
  }
Wraps around the structures used in thread locals and buffers instances of LlapCachableBuffers in order to prevent
lock contention in LRFU during buffer ingress initiated heap access.
llap-server/src/java/org/apache/hadoop/hive/llap/cache/LowLevelLrfuCachePolicy.java