Setting it to a reasonably large value is a safe thing based on the size of your database and the nature of your application.

根据数据库的大小和应用程序的性质将该参数设置成一个合理的大值，这种做法很安全。

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To measure the effect of large numbers of documents, we had to further sacrifice the amount of concurrency for database size.

为了测试文档数量很大时产生的影响，我们需要在数据库大小不变的情况下进一步牺牲并发性。

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Logging to a database is somewhat slower than logging to text files, especially at busy sites, and the size of the database can become large so that maintenance becomes an issue.

向数据库中写入日志比向文本文件中写入日志要慢一点，尤其是在忙碌的站点上，而且数据库会变得很大以至于维护成为一个问题。

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