由于这些配置项是被连续读取的，它们在MDM Server中得到缓存。

These configuration items, because they are read continuously, are cached in the memory of MDM Server.

youdao

最简单的方法是连续读取表中的数据，就是按照我们通常调用它的方法来执行表扫描。

The simplest way is to read the table's data sequentially, performing a table scan as we usually call it.

youdao

因为不是从磁盘连续读取页面的，所以在读取每个页面之前，都需要进行查找并存在循环延迟。

Because the pages are not read sequentially from the disk, both seek and rotational delays occur before each page can be read.

youdao