Garbage collection has a lot of overhead, as it basically halts the execution of your application so it can examine your objects.

垃圾收集的开销很大，因为本质上它会中止应用程序的执行以便可以检验对象。

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In this case there is greater separation between the application and queue manager but at the cost of a performance overhead.

在这种情况下，应用程序和队列管理器之间的分离状况更好，但在性能方面会有所损失。

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Another downside is that additional programming may be required to construct an efficient multi-tenant application, increasing the size of overhead.

多租赁的另一个缺点就是构造一个高效的多租赁应用程序可能需要额外的编程，这就增加了开销。

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