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Caffeine is a popular chocolate line

introduce

In this article, we take a look at Caffeine, a high-performance Java cache library.

One fundamental difference between a cache and a Map is that the cache can reclaim stored items.

The recycle policy is what objects are deleted at a specified time. This policy directly affects the cache hit ratio – an important feature of the cache library.

Caffeine provides a near-optimal hit ratio thanks to its Windows TinyLfu recycling strategy.

Rely on

We need to add caffeine dependency to pom.xml:

column

Total: 40,000 words;

series

Article 1: A solution to insufficient game memory magic device Caffeine

Caffeine has the ability to “automatically” clear stale data from the cache. It also has the ability to solve memory problems in our games, thus greatly increasing memory utilization.

Article 2: Get rid of GuavaCache, Spring’s official recommended Caffeine series one

Once again, Spring has abolished GuavaCache, introducing the three loading mechanisms and demo for Caffeine.

Article 2: Get rid of GuavaCache, Spring’s official recommendation for Caffeine series 2

In Caffeine’s CacheWriter tutorial series, Spring introduces the CacheWriter, data elimination and demo.

Article 3: Abolish GuavaCache, Spring’s official recommendation for Caffeine series 3

Caffeine series 3, introduces CaffeineCaffeine and level 2 cache in detail and introduces the demo.

conclusion

At present, this series has been written, and the subsequent source code series and middleware series are ready. If you are interested, click on column: Caffeine, pay attention to a wave of tutorials