Multi-tenancy implies one instance of the application can actually service multiple clients with adequate separation of data.
多租户指的是，通过足够的数据分离，应用程序的一个实例实际上能够服务多个客户。
One is the mundane matter of creating multiple instance attributes or static list elements to hold each of the data values.
一个是一般性问题：创建多个实例属性或静态列表元素来保留每个数据值。
Loss of data across multiple disks - in this instance, it is not just one disk that has encountered a loss of data but a number of disks.
跨多个磁盘的数据丢失：在这种情况下，不仅一个磁盘而是多个磁盘均遭遇了数据丢失。
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