File locking - The process of obtaining an exclusive lock on a file over a network.
文件锁定——通过网络获取文件排它锁定的过程。
So if the goal of double-checked locking is supposed to offer improved performance over a more straightforward synchronized approach, this "fixed" version doesn't help very much either.
所以如果双重检查锁定的目标是提供比更直观的同步方式更好的性能,那么这个“修复的”版本也没有多大帮助。
In most cases, you have no control over the heuristics the database engine USES for choosing when to escalate the locking level.
在多数情况下,您无法控制数据引擎用于选择何时升级锁级别的启发方法。
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