@Override
  public long release(long sizeInByte) {
    return usedMemoryInBytes.updateAndGet(
        memCost -> {
          if (sizeInByte > memCost) {
            LOGGER.warn(
                "The memory cost to be released is larger than the memory cost of memory block {}",
                this);
            return 0;
          }
          return memCost - sizeInByte;
        });
  }
The memory usage in byte of this memory block
iotdb-core/node-commons/src/main/java/org/apache/iotdb/commons/memory/AtomicLongMemoryBlock.java