#JPA
3 posts
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Spring Boot Practical Guide Part 5: Database Optimization
Handling large-scale data with index design, cursor-based pagination, and Read Replicas
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Spring Boot Pre-Interview Guide Part 4: Performance & Optimization
Performance optimization and query tuning — N+1 problem, pagination, and caching strategies
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Spring Boot Pre-Interview Guide Part 2: Database & Testing — Environment Split · Test Pyramid · Testcontainers
Environment-specific DB selection and ddl-auto policies, Memory Repository pitfalls, Test Pyramid annotation choices, choosing between test doubles (Dummy, Stub, Spy, Mock, Fake), and using Testcontainers to catch bugs that H2 dialect differences hide — the second most-flagged area in Spring Boot pre-interview submissions, covered in one post.