Shulou(Shulou.com)06/01 Report--

In this issue, the editor will bring you about what cache penetration is in big data and how to solve it. The article is rich in content and analyzes and narrates it from a professional point of view. I hope you can get something after reading this article.

"when accessing data that does not exist in the database, due to inappropriate caching strategy, each query will penetrate the cache and hit the database, which may cause cache penetration under high concurrency", the solution at this time:

When the application access cache does not exist, the application continues to access the database. Even if there is no data in the database, the application sets the value to empty in the cache and uses the filter to filter the expiration time for a short time, such as bitmap or set in redis. When the value does not exist, return the above directly is what the cache penetration in big data shared by the editor is and how to solve it. If you happen to have similar doubts, you might as well refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.

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