Filter cache method and device, and cache system
A filtering and caching technology, applied in special data processing applications, instruments, electrical and digital data processing, etc., can solve the problems of poor scalability and low cache data hit rate, so as to reduce operating costs, improve cache hit rate, and improve scalability. sexual effect
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[0044] refer to Figure 4 , a specific embodiment of the filtering caching method of the present invention is as follows:
[0045] 1. WEB Server receives user (access query) request;
[0046]2. The filter of the WEB Server intercepts the request, takes out the URL of the request, uses the URL as the key as a hash code, and modulo the number of cache servers to obtain the remainder, which is the index of the selected cache server;
[0047] 3. The filter uses the URL as the key to query from the selected cache server, and if found, returns it to the user directly;
[0048] 4. If not found in step 3, the business logic will be executed, the business logic will query the database, and use the URL as the key, output the page content as the value, write it to the selected cache server, and output it to the user.
[0049] In the caching technology of the present invention, by using the key as a hashcode, and then modulo-dividing the number of servers, the remainder obtained is the ...
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