--- title: "Sushant Pupneja (@sushantpupneja) | Hashnode" description: "Passionate about simplifying complex machine learning and AI concepts to make them accessible and actionable for all learners." url: "https://hashnode.com/@sushantpupneja" --- @sushantpupneja # Sushant Pupneja @sushantpupneja · Doha, Qatar · Joined October 2024 Passionate about simplifying complex machine learning and AI concepts to make them accessible and actionable for all learners. [Website](https://www.sushantpupneja.dev/) ### [Why MongoDB BI Connector (mongosqld) Gets Stuck on Schema Generation — And How to Fix It](https://configcraft.hashnode.dev/why-mongodb-bi-connector-mongosqld-gets-stuck-on-schema-generation-and-how-to-fix-it?utm_source=hashnode&utm_medium=feed) TL;DR: If mongosqld hangs on schema sampling with large collections, the root cause is usually $sample triggering disk I/O due to oversized indexes not fitting in RAM. The fix is generating a static .drdl schema file and pointing mongosqld to it. 5 min read · [configcraft.hashnode.dev](https://configcraft.hashnode.dev/why-mongodb-bi-connector-mongosqld-gets-stuck-on-schema-generation-and-how-to-fix-it?utm_source=hashnode&utm_medium=feed) [May 25](https://hashnode.com/posts/why-mongodb-bi-connector-mongosqld-gets-stuck-on-schema-generation-and-how-to-fix-it/6a1427e27d85e6a1afc30354) ### [SSL Configuration for PostgreSQL: From Nginx Proxy Issues to Direct Database SSL](https://configcraft.hashnode.dev/postgresql-ssl-nginx-proxy-handshake-fix-guide?utm_source=hashnode&utm_medium=feed) Understanding the Differences Between Database SSL and HTTP SSL (And ways to resolve issues) 6 min read · [configcraft.hashnode.dev](https://configcraft.hashnode.dev/postgresql-ssl-nginx-proxy-handshake-fix-guide?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/postgresql-ssl-nginx-proxy-handshake-fix-guide/68aad9477f20453ecfc46a71) [Aug 24, 2025](https://hashnode.com/posts/postgresql-ssl-nginx-proxy-handshake-fix-guide/68aad9477f20453ecfc46a71) ### [Unsinkable Insights: Navigating My First Titanic Data Science Challenge](https://fromdatatodiscovery.hashnode.dev/unsinkable-insights-navigating-my-first-titanic-data-science-challenge?utm_source=hashnode&utm_medium=feed) A hands-on journey through data wrangling, feature engineering, and machine learning to unlock the secrets behind Titanic's survival odds. 9 min read · [fromdatatodiscovery.hashnode.dev](https://fromdatatodiscovery.hashnode.dev/unsinkable-insights-navigating-my-first-titanic-data-science-challenge?utm_source=hashnode&utm_medium=feed) [Feb 23, 2025](https://hashnode.com/posts/unsinkable-insights-navigating-my-first-titanic-data-science-challenge/67bb1780f605f106cf64dd81)