Before you start to optimize your code and server configuration, you need to consider the demands that will be placed on the hardware and the operating system. There is no point in investing a lot of time and money in configuration tuning and code optimizing only to find that your server's performance is poor because you did not choose a suitable platform in the first place.
Because hardware platforms and operating systems are developing rapidly, the following advisory discussion must be in general terms, without mentioning specific vendors' names.
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