Why Your AI App Crashes with PDF Uploads

This title was summarized by AI from the post below.

Your AI app breaks the moment 50 people upload a PDF. Everything worked fine before that. Single user. Small input. Clean response. Then real usage starts. Multiple users upload files together. And suddenly… Requests start dropping. Processing slows down. Some uploads just fail. From the user’s side? Your product looks broken. But the problem isn’t the AI. It’s how you’re handling files. Most teams treat a PDF upload Like a simple text input. But it’s not. A file needs to be: Stored Parsed Converted into embeddings Processed in memory Now multiply that by 50 users at once. That’s where your system collapses. Not because it’s bad. Because it wasn’t designed for load. I broke down exactly why this happens and how to fix it properly (Swipe before your uploads start failing in production) If your system processes files directly in the main flow, You don’t have scalability. You have a bottleneck waiting to happen. Comment “QUEUE” if you want the exact setup we use.

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