轮询的开销很高，可能需要对其进行调整，在缓存清理算法的反应速度与轮询调用次数之间进行折中。
This polling is expensive and might need to be adjusted as a tradeoff between reaction speed of the cache-trimming algorithm and number of polling calls made.
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.
对于一个请求只传输一个大样式表文件的速度比较快，而使用一套样式表的可维护性比较好，而且寻找特定样式也比较容易，需要在这两种方式之间进行折中。
The speed of pulling one file over the wire on a request compared with the maintainability and findability of a style using an organized set of stylesheets remains a compromise.
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