Data is stored in the database. In order to speed up business access, we put some data in the database in the cache. Then the question is, how to ensure the consistency of the data in the db and th
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2 ways of IE6 PNG picture transparency
4 common cache problems and solutions
Foreword Using cache can alleviate the pressure of large traffic, significantly Improve the performance of the program. When we use the cache system, especially in the case of large concurrency