How to Preheat Cache During Spring Startup – Interview Guide

The article explains four ways to preheat caches in Spring during startup, recommends CommandLineRunner/ApplicationRunner as the safest option, and discusses timing, async handling, error protection, and distributed‑lock strategies to avoid common pitfalls in production environments.

InterviewSpring Bootapplicationlistener

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How to Preheat Cache During Spring Startup – Interview Guide

Top Architect

Jul 2, 2024 · Backend Development

Cache Preheating in Spring: Abstract Cache, Context Utility, and Implementation

This article explains the concept of cache preheating, provides an abstract cache class, a Spring ApplicationContext utility, a CommandLineRunner handler to load hot data at startup, and demonstrates a concrete NewsCache implementation with Redis integration, followed by a REST endpoint to access the cached data.

AbstractCacheJavaRedis

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Cache Preheating in Spring: Abstract Cache, Context Utility, and Implementation