这一点连同它动态调整大小的能力，比选择使用传统的RAM磁盘可以让操作系统有好得多的整体性能和灵活性。
This, along with its dynamic resizing abilities, allow for much better overall OS performance and flexibility than the alternative of using a traditional RAM disk.
如果你还没有受到任何开发框架束缚的话，实在没有什么理由不选择GWT，因为GWT能够无偿的使应用的整体性能得到大幅度提升。
If you're not already bound to a framework it just doesn't make sense to not use it. By using GWT for your Ajax application you get big performance gains for free.
只有相当少的索引访问且没有索引 AND'ing，这样整体性能将提高一个或两个数量级 —— 取决于谓词选择。
There is much less index access and no index AND'ing so that the overall performance can be one or two order of magnitude better - depending on predicate selectivity.
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