您可以选择通过不存储极其频繁重复的文本字段，而是将其一次性放置在一个子维度表中，节省该大小的表中的大量空间。
You can expect to save quite a bit of space in a table of that size by not storing the very frequently repeated text fields, but rather putting them once in a subdimension table.
我们选择初始大小8 GB，因为这个数量比较小，便于管理，也不会导致过分浪费磁盘空间。
We chose an initial size of 8 GB because it is small enough to be manageable but not overly large to cause wasted disk space.
选择要创建的主日志的总数和大小时，需要在可用磁盘空间和应用程序的功能之间进行折中，以便适应日志的所有情况。
Choosing the total number and size of primary logs to be created is a tradeoff between disk space available and the ability of the application to endure the log's full situation.
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