Fixing Memory Leaks When Scraping Millions of URLs with aiohttp in Python
When running an async web scraper across 500,000 product pages, my server crashed after 45 minutes due to an Out Of Memory (OOM) error. Python RAM usage ballooned from 150 MB to over 7 GB. The Culprit: Unclosed ClientSessions and Unlimited Concurrency Creating a new ClientSession() inside every async task prevents connection reuse and leaks … Read more