Each request carries some data over the network; if the request does not find any updates on the server, this data transfer is a waste.
每一次请求都要在网络上传输一些数据;如果请求未在服务器上发现任何更新,那么这个数据传输就是浪费的。
You have to go through logs of unrelated events to find what you need, which can be a nightmare on a live server.
您必须遍历不相关事件的日志,以找到所需的内容,这在活动服务器上可能很棘手。
NB: You may find that the report server fails at this point.
注意:您可能会发现,报告服务器在此时失败。
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