Marcio Cunha

Technical Articles

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

All categoriesArquiteturaAutomaçãoBackendCarreiraDevOpsEletrônicaEngenhariaFrontendHardwareIANegóciosProdutividadeRedes
RedesDevOps•4 min

Multi-Region Database Failover Strategies with Anycast-Optimized Synchronous Replication

Learn how to build global high availability for critical databases using Anycast routing and optimized synchronous replication for zero data loss.

DevOpsArquitetura•4 min

Configuration Drift Monitoring in Infrastructure as Code with Graph-Based Verifications

Learn how to detect unauthorized changes in servers and networks using graph structures to analyze complex dependencies in real time.

DevOpsArquitetura•4 min

Build Time Reduction in Large Scale CI Pipelines with Layered Distributed Dependency Caching

Learn how to architect a layered distributed caching system to accelerate software builds in high-scale continuous integration environments.

DevOpsArquitetura•4 min

Secret Management at Scale with Dynamic Rotation and Memory Invalidation in Containers

Learn how to build a robust secret management architecture for containerized environments, combining dynamic credential rotation and secure RAM memory cleanup.

DevOpsRedes•5 min

Chaos Engineering in Service Meshes with eBPF: Kernel-Level Fault Injection

Learn how to apply chaos engineering in microservice networks using eBPF to inject latency and failures directly into the Linux kernel without modifying application code.

EngenhariaDevOps•4 min

Implementation of Technical Knowledge Retention Policies and Onboarding for Remote Engineers

Discover practical strategies to structure technical knowledge retention and accelerate remote engineers onboarding without losing productivity. Learn efficient methods to document decisions and mitigate losses.

RedesDevOps•6 min

Packet Loss Mitigation in High-Density Traffic with Linux TCP BBR Tuning

Discover how the TCP BBR algorithm revolutionizes congestion control in high-traffic Linux networks, mitigating packet losses without relying on artificial queue bottlenecks.

HardwareDevOps•4 min

Thermal Integrity Monitoring and Dynamic Load Shifting in Local Cluster Nodes

Learn how to implement combined thermal telemetry and reactive load balancing in local servers. Prevent thermal throttling and protect your hardware without sacrificing performance.

DevOpsAutomação•4 min

Infrastructure Dependency Management with Dependabot and AutoMerge Policies

Learn how to automate infrastructure updates using Dependabot and safe auto-merge rules, minimizing security vulnerabilities and manual engineering overhead.

DevOpsArquitetura•5 min

Public Cloud Cost Reduction Strategies with Automated Spot Instance Management

Learn how to cut public cloud infrastructure expenses using spot instances intelligently, ensuring high availability and operational resilience for modern software applications.