--- title: "Ankan Saha (@theankansaha) | Hashnode" description: "馃殌 Software Engineer 馃殌 | Obsessed with Networking 馃寪 | Computer Enthusiast 馃捇 | Building robust, scalable systems." url: "https://hashnode.com/@theankansaha" --- @theankansaha # Ankan Saha @theankansaha 路 Kolkata 路 Joined October 2024 馃殌 Software Engineer 馃殌 | Obsessed with Networking 馃寪 | Computer Enthusiast 馃捇 | Building robust, scalable systems. [Website](https://ankan.in/) ### [Database Export and Import in AxioDB: Move a Whole Database, Index and All](https://blog.axiodb.in/database-export-and-import-in-axiodb-move-a-whole-database-index-and-all?utm_source=hashnode&utm_medium=feed) How export works, why the index travels with the data, and the three checks that stand between an upload and your live database. 6 min read 路 [blog.axiodb.in](https://blog.axiodb.in/database-export-and-import-in-axiodb-move-a-whole-database-index-and-all?utm_source=hashnode&utm_medium=feed) [Aug 9](https://hashnode.com/posts/database-export-and-import-in-axiodb-move-a-whole-database-index-and-all/6a78906ef8636c605a8811d1) ### [AI Wrote the Feature in Minutes. Three Questions Took the Rest of the Day](https://blog.ankan.in/ai-wrote-the-feature-in-minutes-three-questions-took-the-rest-of-the-day?utm_source=hashnode&utm_medium=feed) Building is cheap now. Deciding what happens when things go wrong is not 7 min read 路 [blog.ankan.in](https://blog.ankan.in/ai-wrote-the-feature-in-minutes-three-questions-took-the-rest-of-the-day?utm_source=hashnode&utm_medium=feed) [Aug 9](https://hashnode.com/posts/ai-wrote-the-feature-in-minutes-three-questions-took-the-rest-of-the-day/6a788f81255d02f569cdd536) ### [OpenRouter Gives You 50 Requests a Day. So I Built a 28-Model Fallback Ladder.](https://blog.ankan.in/openrouter-gives-you-50-requests-a-day-so-i-built-a-28-model-fallback-ladder?utm_source=hashnode&utm_medium=feed) Building an AI agent that deploys Cloudflare Workers with LangChain.js, and the Redis circuit breaker that keeps it running after the free tier dies. 2 min read 路 [blog.ankan.in](https://blog.ankan.in/openrouter-gives-you-50-requests-a-day-so-i-built-a-28-model-fallback-ladder?utm_source=hashnode&utm_medium=feed) [Jul 27](https://hashnode.com/posts/openrouter-gives-you-50-requests-a-day-so-i-built-a-28-model-fallback-ladder/6a679c075cd0bc0a6e3f245a) ### [The Week My Database Learned to Defend Itself](https://blog.ankan.in/the-week-my-database-learned-to-defend-itself?utm_source=hashnode&utm_medium=feed) How AxioDBCloud went from an open TCP socket to a TLS-encrypted, authenticated, pooled, and AI-drivable system in seven days. 8 min read 路 [blog.ankan.in](https://blog.ankan.in/the-week-my-database-learned-to-defend-itself?utm_source=hashnode&utm_medium=feed) [Jul 12](https://hashnode.com/posts/the-week-my-database-learned-to-defend-itself/6a53327914eb1eb1aa2d05c0) ### [Debugging Node.js in Production: The Problems, and What Actually Helps](https://blog.ankan.in/debugging-node-js-in-production-the-problems-and-what-actually-helps?utm_source=hashnode&utm_medium=feed) Most Node.js tutorials stop at "it works on my machine." Production is where the interesting failures live, and they rarely show up in your logs. 8 min read 路 [blog.ankan.in](https://blog.ankan.in/debugging-node-js-in-production-the-problems-and-what-actually-helps?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/debugging-node-js-in-production-the-problems-and-what-actually-helps/6a20cdf0f243d1ee74b15b60) [Jun 4](https://hashnode.com/posts/debugging-node-js-in-production-the-problems-and-what-actually-helps/6a20cdf0f243d1ee74b15b60)