面试中的Redis之缘何如此重要？（面试为什么使用redis）

Nowadays, Redis has been widely used, almost in all kinds of enterprises’ IT system.The demand for engineers who is skilled with Redis, has improbed drastically.Therefore, there is no doubt that talking about Redis, should be one of the most important parts of the interview.

Redis is an open-source, server-side software project developed by Saleforce and written in ANSI C language. It is a kind of No-SQL key-value storage system, but with a really fast speed, module supporting and flexibility. It has become popular with its advantages, like high performance, cross-platform compatible, data persistence and concurrency control. In addition, it is also friendly to use, which means, even the programmer has no Advanced computing knowledge, also could use it effortlessly.

Redis’ key-value storage mechanism and its high performance, make it a ideal choice for most of the database scenes. Combined with the module requests, it could be used in a even more complicated scenarios, especially when closer to real time’s demand. Its outstanding advantages have made it the backbone of most enterprises’ efforts to build up a high performance and real-time stable database system.

Thus, during the interview, being asked about Redis has became more and more common.As an interviewer, one could expect that the interviewee could talk about Redis’ basic knowledge, like its mechanism and its improvements, as well as some of its applications on a higher level. Such as its combination with dynamic languages, like Python, to improve the performance. To beef up that interview, the interviewer could also expect the interviewee to demonstrate some coding steps, like showing a sample of code written in Python, which is woven with Redis.

In brief, to assess weather the potential engineer is really qualified, the interviewer should expect the interviewee to demonstrate his or her knowledge as deep as possible.

Knowledge on Redis, is without a doubt, one of the most important aspects in such Interview.