当然，你也可以控制ZeroMQ的排队行为，只需要设定内存范围即可，甚至你还可以为每个套接字设定交换区域。
Of course, you can also control the queuing behavior of ZeroMQ sockets by setting an allowed memory bound and even a swap size for each socket.
注意： 内存可以分配，释放，也可以当数据库正在运行时在不同区域之间交换。
Note: Memory can be allocated, freed, and exchanged between different areas while the database is running.
一些 IEPD 开发人员选择将扩展架构按主题区域分解成多个文档，以便在各种交换中更细粒度地重用架构。
Some IEPD developers choose to break extension schemas into multiple documents by subject area to allow them to reuse the schemas more granularly in various exchanges.
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