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Optimizing PostgreSQL Performance in Python with asyncpg: Resolving I/O Bottlenecks and Ingesting 100k Records/s

By IT From Zero October 9, 2026

Real-world lessons from a production I/O bottleneck: A complete guide to migrating to asyncpg, configuring connection pools properly, and bulk-ingesting 100k records in 0.8s via PostgreSQL binary protocol.

Python

Using Python’s websockets Library: Building Bidirectional Real-Time Applications

By IT From Zero October 7, 2026

A comprehensive guide to Python's websockets library from basics to advanced. Build a broadcast server, handle reconnects with exponential backoff, and configure Nginx for production.

Development

Building an Asynchronous REST API with FastAPI and Async SQLAlchemy 2.0: Connection Pool Optimization & Alembic Migrations

By IT From Zero October 4, 2026

A practical guide to building asynchronous REST APIs with FastAPI and Async SQLAlchemy 2.0. Learn connection pool optimization, Alembic migrations, and high-concurrency production practices.

Python

aiohttp: The Secret to 10x Faster Data Crawling and API Calls with Python

By IT From Zero June 7, 2026

Significantly boost your Python performance by switching from requests to aiohttp. A detailed guide on making thousands of concurrent requests and rate-limiting techniques to avoid IP bans.

Python

Why I Ditched Requests for Httpx: A Guide to Async HTTP Client and HTTP/2 for Python

By IT From Zero June 4, 2026

Don't let 'requests' slow down your Python apps. Discover how httpx speeds up systems with Async, HTTP/2, and Connection Pooling through practical examples.

Python

Asynchronous Programming with asyncio in Python: Optimizing Performance for I/O Bound Applications

By IT From Zero March 28, 2026

Optimize Python I/O bound application performance with `asyncio` asynchronous programming. This detailed guide provides practical code examples to solve slow app issues, especially with numerous I/O tasks.