从系统架构上看，百度沧海的底座与业界的 NewSQL 系统相似，但在设计上有一个关键性的核心差异—— Meta-Aware 。简单来说，这意味着底层的事务 K-V 系统能够 深度感知元数据的语义 ，从而实现更高效的处理。

Symbolic links (symlinks) also allow you to refer to the same file in multiple locations. The difference is that, while hard ...

If you move the file at /var/examplefile, the link at /home/examplefile will be broken. However, if you create a "hard link", ...