Marcio Cunha

Technical Articles

Practical articles, in-depth tutorials, and architectural insights on software engineering, AI, and systems.

All categoriesArquiteturaAutomaçãoBackendCarreiraDevOpsEletrônicaEngenhariaFrontendHardwareIANegóciosProdutividadeRedes
BackendArquitetura•5 min

Mitigating Performance Degradation in Managed Language Garbage Collectors Under Extreme Load

Learn how to optimize garbage collectors in managed languages like Java, Go, and C# to prevent long pauses and high-load production freezes.

DevOpsArquitetura•4 min

Log Management and Infrastructure Auditing with Asynchronous Aggregation Using FluentBit and Vector

Learn how to build a robust observability architecture using FluentBit for lightweight edge collection and Vector for asynchronous log processing and routing at high scale.

BackendArquitetura•5 min

Identity and Access Governance in Microservices Architectures with Decentralized PASETO Tokens

Learn how to structure security in high-scale distributed systems using decentralized PASETO tokens to eliminate single points of failure and ensure modern cryptography.

FrontendArquitetura•5 min

Context Isolation in Web Applications Using Browser WebAssembly Sandboxing

Learn how to secure modern web applications using context isolation with WebAssembly. Understand sandbox architecture, performance trade-offs, and practical implementation in the browser ecosystem.

BackendArquitetura•4 min

Optimizing Concurrent Reads with Multiversion Concurrency Control in Key-Value Storage Engines

Learn how multiversion concurrency control eliminates locking bottlenecks in key-value storage engines. Understand practical data isolation mechanisms for high-performance systems.

BackendArquitetura•4 min

Event-Driven Data Pipelines with Schema Registry and Message Versioning

Learn how to build robust data pipelines using event-driven architecture, ensuring message compatibility with Schema Registry and strict versioning.

AutomaçãoRedes•4 min

Industrial SCADA Systems Integration with MQTT Brokers for Cloud Monitoring

Learn how to connect legacy industrial networks to modern cloud platforms using the MQTT protocol. Understand architectures, security trade-offs, and practical implementation examples.

HardwareEletrônica•5 min

Device Driver Development for I2C Buses in Linux-Based Embedded Systems

Learn the architecture and practical implementation of I2C bus drivers in the embedded Linux ecosystem. Discover how to structure data types, register adapters, and interact with hardware controllers.

RedesDevOps•5 min

Implementing Zero-Trust Access Policies in Home Networks with WireGuard and a Centralized Control Plane

Learn how to structure a highly secure home network using the WireGuard protocol combined with a centralized control plane, applying the zero-trust principle to every connected device.

HardwareEngenharia•5 min

Analysis of CPU and Cache Bottlenecks in Parallel Graphics Processing Algorithms

Explore how CPU and cache bottlenecks impact parallel graphics processing. Understand memory behavior and optimize the performance of complex algorithms.