You can identify a pattern of transaction types, how often they occur, and which ones take longer to execute.
可以看出事务类型的模式、执行事务的频率以及哪些事务的执行时间比较长。
The pattern in this case is that when the first transaction reads a row it will "stamp" it with the identity of the user, similarly to how pessimistic session locking is handled (covered next).
本例中的模式是当第一个事务读取某个数据行时，它将加上时间戳和用户标识，这类似于悲观会话锁定的处理方式（稍后讨论）。
Since the target is created specifically to support those service requests, this pattern is a preferred approach for requirements of highly frequent transaction execution.
因为目标专门创建用于支持这些服务请求，所以对于高事务执行频率的需求，该模式是一种首选的方法。
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