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    Jacar categories — explore the topics A rocket whose eyes follow your cursor.

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    Desarrollo de Software

    Writing code that works, stays maintainable, and does not scare the next engineer.

    Filter #actualizaciones 1 #arquitectura 1 #backend 1 #backstage 1 #cache 1 #cdc 1 #cilium 1 #cncf 1 #cni 1 #colas 1 #componentes 1 #containers 1
    Platform Engineering: Internal Developer Platforms
    Arquitectura

    Platform Engineering: Internal Developer Platforms

    Platform engineering formaliza el producto interno que los desarrolladores necesitan. Qué es un IDP, qué resuelve y cómo empezar.

    106 9 min September 26, 2023 4.3
    Redis: Caching Strategies Every Backend Should Know
    Arquitectura

    Redis: Caching Strategies Every Backend Should Know

    Cache-aside, write-through, write-back, TTL bien diseñado. Patrones de caching con Redis que evitan problemas sutiles en producción.

    113 10 min September 14, 2023 4.4
    Kubernetes 1.27: The Changes That Matter to Operators
    Arquitectura

    Kubernetes 1.27: The Changes That Matter to Operators

    K8s 1.27 estabiliza SeccompDefault, remueve funcionalidades deprecadas y mejora el scheduler. Qué atender al actualizar.

    111 7 min September 8, 2023 4.5
    Kafka in 2023: Event Streaming in the Enterprise
    Arquitectura

    Kafka in 2023: Event Streaming in the Enterprise

    Apache Kafka consolida su papel como backbone de eventos en arquitecturas empresariales. Estado actual, alternativas y patrones maduros.

    132 8 min August 30, 2023 4.5
    OpenTelemetry: Unifying Logs, Metrics, and Traces
    Arquitectura

    OpenTelemetry: Unifying Logs, Metrics, and Traces

    OpenTelemetry consolida las tres señales de observabilidad bajo un estándar único. Estado actual, integración y camino de adopción.

    122 8 min August 24, 2023 4.6
    WebAssembly: The Component Model as the Next Frontier
    Desarrollo de Software

    WebAssembly: The Component Model as the Next Frontier

    WASM sale del navegador con WASI y el modelo de componentes. Qué es, qué resuelve y por qué equipos serverless deberían prestar atención.

    125 8 min August 15, 2023 4.3
    HashiCorp Vault for Secrets Management
    Arquitectura

    HashiCorp Vault for Secrets Management

    Vault centraliza secretos con rotación, auditoría y políticas granulares. Guía práctica para equipos que pasan de .env a gestión seria.

    133 9 min August 12, 2023 4.5
    Cilium and the Future of Container Networking with eBPF
    Arquitectura

    Cilium and the Future of Container Networking with eBPF

    Cilium reemplaza iptables con programas eBPF en el kernel, cambiando radicalmente el rendimiento y capacidades de la red en Kubernetes.

    128 10 min August 9, 2023 4.5
    RabbitMQ for Message Queues: When It’s Still the Choice
    Arquitectura

    RabbitMQ for Message Queues: When It’s Still the Choice

    Kafka se lleva los titulares, pero RabbitMQ sigue siendo la mejor elección para muchos flujos de mensajería. Guía de decisión práctica.

    152 8 min July 25, 2023 4.9
    Contract Testing with Pact for Microservices
    Desarrollo de Software

    Contract Testing with Pact for Microservices

    Los tests end-to-end no escalan con el número de microservicios. Pact y el testing por contrato resuelven el problema con verificación desacoplada.

    127 10 min July 22, 2023 4.6
    Kubernetes 1.28: Sidecar Containers as First-Class Citizens
    Arquitectura

    Kubernetes 1.28: Sidecar Containers as First-Class Citizens

    K8s 1.28 introduce sidecars nativos en alpha. Qué cambia, cómo afecta a service mesh y observabilidad, y cómo prepararse para su GA.

    120 8 min July 19, 2023 4.8
    LLM Fine-Tuning: When It’s Worth Training Your Own
    Desarrollo de Software

    LLM Fine-Tuning: When It’s Worth Training Your Own

    Fine-tuning sigue siendo caro y operativamente complejo. Guía para decidir entre RAG, prompt engineering y entrenamiento propio.

    151 9 min July 13, 2023 4.6

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    Javier Cañete Arroyo — JACAR La marca JACAR toma las dos primeras letras de cada parte del nombre: JAvier, CAñete, ARroyo. CEO · FUNDADOR JAvierCAñeteARroyo JACAR JAvier · CAñete · ARroyo

    Production notes on technology, DevOps, and AI from Madrid.

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