The key here is that the ordering system is implemented to accept a single record, whereas the input into the mediation module is a nested batch message.

这里的关键是将订单系统实现为接收单个记录，而到中介模块的输入是嵌套式批处理消息。

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This message consumption batch size parameter defines the number of events a monitor model reads from the monitor model JMS input destination at a time, for a single transaction.

message consumption batch size参数定义了监视器模型针对单个事务从其JMS输入目标中一次性读入的事件数量。

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