In other words, rather than rely on a record Length or Delimiter specified on the node itself, one of the broker's parsers should be used to decide where one record ends and the next begins.
换句话说,与依赖节点本身上指定的记录长度或分隔符不同,应该使用代理的解析器之一来决定一个记录从何处结束以及下一个记录从何处开始。
In other situations the total length of a fixed record may be just slightly longer than one-half a 4 KB page, so then only one record can fit on a page.
还有一些情况下,对于一条固定长度的记录,其总长度可能刚好比4 KB的一半大一点点,这时一个页只能容纳一条记录。
However, a record of variable length can possibly be updated to a length that no longer fits on the original page, and so it must be moved to another page.
而对于可变长度的记录,其长度可能会变得不再适合初始页,因此必须将其转移到其他页。
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