SQL Indexing Explained: Faster SELECT Queries With Practical Examples
Introduction In one of my project, we were facing slower responses from the microservice, though the benchmark target was within 10ms , due to larg…
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Spring Boot Concurrency Explained: Multiple Requests to One Controller
Introduction When building Spring Boot applications, a common question developers ask is: "What happens when multiple requests hit the sam…
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Managing Multiple Databases in Spring Boot: A Complete Guide
Modern enterprise applications often need to work with multiple databases — whether for scalability, microservices integration, or data segregatio…
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Filter vs Interceptor in Spring Boot: Real-World Examples and Best Practices
In a modern Spring Boot backend, it’s common to intercept HTTP requests for cross-cutting concerns like authentication, authorization, logging, o…
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Filter vs OncePerRequestFilter in Spring Boot – Full Breakdown with Real Example
When building Spring Boot applications, intercepting HTTP requests is a common requirement — for authentication, logging, or preprocessing. Two tools often u…
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