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How to use redis to implement database caching? In response to this problem, this article gives the corresponding analysis and answer, hoping to help more friends who want to solve this problem find a simpler and easier way.

Create and login redis database, which is used in commercial version, you can also build your own

Set the value of the variable and set the expiration time. If the time has not expired, you can query the data.

After setting the expiration time of variables, if the set time has passed, it cannot be queried. Generally, redis is used as a cache of websites, which can effectively reduce the storage pressure of relational databases.

High concurrency is not avoided when cache expires. Setnx can be used to cache the moment of expiration to avoid this situation.

When no data is stored, read redis value, which is not read

If not, at this time it is necessary to read it from the relational database such as mysql in advance, store it, and rewrite it, thus realizing the mechanism of using redis as cache.

On the use of redis to achieve database caching methods to share here, I hope the above content can be of some help to everyone, you can learn more knowledge. If you think the article is good, you can share it so that more people can see it.

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