A good technique is to time box these "extra requests." 4 Schedule a convenient five-minute meeting with your friend in which he or she explains the issue to the best of his or her ability.
一个好的技巧是对这些额外的要求进行时间限制 4 和你的朋友约定一个方便的五分钟会面,会面中他或她将尽他或她的能力解释所面临的情况。
Creating many views, especially large ones, can become a performance issue due to the extra indexing required.
由于需要额外的索引,创建大量视图,尤其是创建大型视图,会导致性能问题。
The big issue with these systems is scalability: it is not easy to add extra processors.
这些系统的一个大问题是可伸缩能力:不容易添加其他处理器。
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