We recommend that you install the index data service in the data tier.

我们建议您在数据层安装索引数据服务。

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At the data services orchestration tier, caching is supported by a specialized data caching service.

在数据服务编排层，缓存由专门的数据缓存服务提供支持。

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This includes the UI tier - for identifying objects on which create, read, update, and delete (CRUD) operations will take place - as well as the service and data tiers.

这包括ui层(用来标识要执行创建、读取、更新和删除(CRUD)操作的对象)以及服务和数据层。

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