What matters should be paid attention to in the selection and purchase of database server

In this article, the editor introduces in detail "what matters need to be paid attention to in the selection and purchase of database servers". The contents are detailed, the steps are clear, and the details are handled properly. I hope that this article "what matters need to be paid attention to in the selection and purchase of database servers" can help you solve your doubts. Let's follow the editor's ideas to learn new knowledge.

1. High multitasking ability

The average personal computer generally uses a single CPU, while the server is often double CPU, or even 4CPU, which can handle twice to several times the number of concurrent threads. Moreover, the CPU of the server is generally better than the average personal computer.

Ordinary desktops are mainly used for personal operation, surfing the Internet, playing games, managing articles, and others. In general, no matter how much you play and how many programs you open at the same time, the number of active processes will not exceed 20 or 30. When a server has hundreds or thousands of people making certain work requests to the server at the same time, the server will have hundreds or thousands of threads. For those super-large online stations, they use server groups to deal with situations where more than a thousand people are online at the same time, that is to say, using multiple computers to deal with clusters and other methods.

2. Stability and huge amount of memory

The first thing the server needs to ensure is stability, so it uses memory with ECC (error checking and correction) function. Although this kind of memory will be slower than the memory we normally use, its stability is indeed commendable, that is, data is much less likely to go wrong in memory due to hardware reasons.

In principle, the memory in the server had better be as fast as possible, so that when hundreds or thousands of users come to access the server at the same time, in order to make the machine meet the user's memory consumption, the memory can not be reduced. At present, most of them choose 2G.

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