Spring Boot - Caching
Why does Spring Boot recommend using Redis as a cache provider instead of in-memory caches for distributed applications?
Why does Spring Boot recommend using Redis as a cache provider instead of in-memory caches for distributed applications?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Understand distributed caching needs
Distributed apps run multiple instances; in-memory caches are local to each instance and not shared.Step 2: Redis advantage
Redis is a centralized cache server accessible by all instances, ensuring consistent cached data.Final Answer:
Redis provides a shared cache accessible by multiple app instances -> Option BQuick Check:
Redis enables shared cache for distributed apps [OK]
Quick Trick: Use Redis for shared cache in distributed apps [OK]
Common Mistakes:
- Believing in-memory caches are shared
- Thinking Redis updates code
- Assuming in-memory caches persist data
Master "Caching" in Spring Boot
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