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The Apache Pulsar Advantage: Why Tencent Moved from Kafka - Multi-Tenancy, Geo-Replication, and Tiered Storage in Practice

The Apache Pulsar Advantage: Why Tencent Moved from Kafka - Multi-Tenancy, Geo-Replication, and Tiered Storage in Practice

1 Introduction: The Scale Ceiling and the Architectural Pivot Streaming platforms behave very differently once they move past “large” and enter true enterprise scale. At modest volumes, most archi

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Event Sourcing and CQRS with Axon Framework: Building Banking Systems with Eventual Consistency and Saga Orchestration

Event Sourcing and CQRS with Axon Framework: Building Banking Systems with Eventual Consistency and Saga Orchestration

1 The New Imperative for Banking: Why Auditability and Scale Demand Event Sourcing Modern banking systems are expected to handle millions of transactions daily, maintain complete audit trails for

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The Distributed Transaction Masterclass: 2PC, Saga, and TCC Patterns with Spring Cloud, Temporal, and Apache Seata

The Distributed Transaction Masterclass: 2PC, Saga, and TCC Patterns with Spring Cloud, Temporal, and Apache Seata

1 Introduction: The Inevitable Transaction Problem in Microservices Every architect who has moved from monoliths to microservices faces the same moment of reckoning: the first time a distributed t

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The Ultimate Java Performance Tuning Playbook: JVM Internals, GC Algorithms, and JIT Compilation in Production

The Ultimate Java Performance Tuning Playbook: JVM Internals, GC Algorithms, and JIT Compilation in Production

1 Why Java Performance Still Matters in 2025 In 2025, Java remains one of the most deployed runtimes in production. From trading engines to Kubernetes microservices, Java powers billions of transa

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