If you're upgrading an application that many users rely on (like the Apache on your busy Web server), then it pays to be extremely careful.
如果您正在升级对许多用户都有影响的应用程序(如繁忙的Web服务器上的Apache)，则倍加小心是值得的。
Then, develop a load balancing program using an algorithm, technique, or tool to redirect visitor and Web requests from a busy server to freely-available servers.
然后使用某种算法、技术或工具开发一个负载平衡程序，实现将繁忙的服务器上的访问者和Web请求重定向到清闲可用的服务器上。
Problems reaching the mail server or just submitting the E-mail at busy times could delay the web app.
问题到达邮件服务器或者只是在忙时提交e - mail，都会延迟web应用程序。
WEB Server is too busy to respond to your request. Please choose another download address or try again later.
服务器忙，请换一个下载地址或者使用镜像地址下载。
WEB Server is too busy to respond to your request. Please choose another download address or try again later.
服务器忙，请换一个下载地址或者使用镜像地址下载。
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