Go vs Vert.x vs Node.js vs Spring Boot: Complete Performance & Cost Comparison (2026)Choosing the right backend technology is no longer just about developer preference. In 2026, throughput, latency, concurrency handling, memory efficiency, and cloud cost play a huge role in long-term Sep 26 ยท 6 min readjava-insights.hashnode.dev
ZGC Deep Dive: How the Ultra-Low Latency Collector Conquers the HeapIn the JVM world, Garbage Collection has historically carried a non-negotiable tax: the Stop-The-World (STW) pause. While regional collectors like G1GC bounded these pauses using dynamic heuristics, tSep 5 ยท 7 min readjava-insights.hashnode.dev
G1GC Deep Dive: How G1 Actually Works Under the HoodWhen a Java application runs, objects are allocated continuously: User user = new User(); Order order = new Order(); List<Order> orders = new ArrayList<>(); Most instances die within milliseconds, whSep 5 ยท 8 min readjava-insights.hashnode.dev
Memory Leak vs High Memory Usage in Java โ A Practical ExplanationOne of the most common misunderstandings when debugging Java applications running on the JVM is this: High memory usage does not necessarily mean there is a memory leak. Many engineers immediately sMar 14 ยท 4 min readjava-insights.hashnode.dev
Why Reactive Java is Needed: Scaling Beyond Traditional Spring Boot(Spring WebFlux + Vert.x Perspective) Modern systems need to handle: Millions of concurrent users Real-time streaming Event-driven workflows Long-lived connections Low latency at scale Traditional Spring Boot (Spring MVC + Tomcat) struggles be...Jan 17 ยท 3 min readjava-insights.hashnode.dev