Caching in Applications Still Matters
summary
Argues that application caching still cuts seconds to milliseconds by using real-world numbers and demos: local hits vs remote REST calls (11s down to ~2ms), JVM Integer cache range (-128..127) explained, and common pitfalls (tiny cache causing 100% misses, thundering‑herd on cache‑aside). Shows specification JSR 107, integration with Spring, and an implementation using EhCache 3 + Terracotta server to cluster caches across replicas so synced caches survive scaling and reduce backend load.
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chapters (10)
- 0:00Introduction and speakers
- 2:37The fundamentals of caching
- 6:25Caching strategies
- 8:35Measuring cache performance
- 13:23JVM and integer caching
- 15:56Evolution of caching libraries
- 23:08Cache-aside pattern
- 28:41Cache-through pattern
- 31:43Practical demonstration
- 39:01Clustered caching and conclusion
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