presto-hive/src/main/java/io/prestosql/plugin/hive/InternalHiveSplit.java/InternalHiveBlock/getEstimatedSizeInBytes
class InternalHiveBlock:        public int getEstimatedSizeInBytes()
        {
            int result = INSTANCE_SIZE;
            result += sizeOfObjectArray(addresses.size());
            for (HostAddress address : addresses) {
                result += HOST_ADDRESS_INSTANCE_SIZE + address.getHostText().length() * Character.BYTES;
            }
            return result;
        }