MirahLabs Engineering Blog
Technical insights, architectural deep-dives, and system designs authored by our product engineers and AI research leads.
SQLAlchemy 2.0: The Complete Migration Guide
SQLAlchemy 2.0 introduces a new style API, async-first design, and significant performance improvements. Learn what changed and how to migrate your Flask applications.
FastAPI Dependency Injection: Design Patterns for Clean Architecture
Dependency Injection in FastAPI is a core feature. Learn how to manage database sessions, security credentials, and mock external service classes in tests.
Python Memory Management: Reference Counting and Generational Garbage Collection
Deep dive into CPython's memory management model: reference counting, memory allocation arenas, and how generational garbage collection resolves cyclic references.
Load Testing Your API with Locust: From Basics to CI Integration
Load testing reveals performance bottlenecks before your users do. Learn how to write realistic Locust test scenarios, interpret results, and integrate load tests into your CI/CD pipeline.
Building Multi-Agent AI Systems with CrewAI
Multi-agent AI systems assign specialized roles to different LLM agents that collaborate to complete complex tasks. Learn how CrewAI orchestrates agent crews for research, writing, code review, and more.
Vector Databases Compared: Pinecone vs Weaviate vs pgvector
A detailed comparison of three leading vector database solutions—Pinecone, Weaviate, and pgvector—covering performance, scalability, cost, and best-fit use cases.