It also includes URL aliases, web site snapshots and home page locking.

也包括url别名，网站快照和锁的主页。

youdao

Better performance for concurrent business queries: Because MDC tables reduce page contention and locking, this also reduces disruption to the performance of concurrent business queries.

并发的业务查询能拥有更好的性能：mdc表减少了页面争用的锁，这一点同时也有利于并发业务查询的性能。

youdao

Since we are not manipulating locks ourselves, the engine is locking each row (or page) as it needs it.

由于我们没有操控锁，因此引擎在需要一行(或者页)时会对其进行锁定。

youdao