AAbivarma R S·2h agoThe Semantic Debt Trap: Why AI Cannot Query Your Raw Data LakehouseAgents shouldn't write raw SQL against your lakehouse for any number that ends up in a board report. Your lakehouse holds your data. It doesn't hold what your business means by it. The benchmarks poin3 min read·ai-decoded.hashnode.dev
RRahul R·6h agoHow Delta Lake Is Built on Top of Amazon S3: Understanding the Architecture Behind ItUnderstanding How Parquet Files and Transaction Logs Turn an S3 Data Lake into a Reliable Lakehouse.8 min read·rahul-dataeng.hashnode.dev
AAbivarma R S·12h agoWhen AI Hallucinations Are Really Data Contract FailuresShort version of what I took away from this one: when a RAG assistant quotes a confidently wrong number, pull the retrieved records before you blame the model. Often the model was handed the wrong num3 min read·ai-decoded.hashnode.dev1O
AAdan Potyondy·1d agoLoad an on-prem database into a cloud warehouse: 1 million rows, measuredRows per insert set the speed. Checks rewritten from a data profile caught 94% of bad rows, and personal data never left the network.17 min read·apotyondy.hashnode.dev
OOsitrustees·2d agoOsitrustees: Building a Market Data Validation Pipeline in PythonExplore how Ositrustees research principles relate to Python market data validation, timestamp checks, duplicate detection and financial analytics. Copy12 min read·ositrustees.hashnode.dev1
RRevOS_AI·2d agoImplementing the Modern Data Strategy: Microsoft Fabric BlueprintBuild a Medallion Architecture on Microsoft Fabric: 7-workspace model, Direct Lake optimization, and governance strategies for the AI era.11 min read·revosai.hashnode.dev
QQuayen·2d agoStreaming MySQL to BigQuery with the binlog: how CDC works, and the parts that biteMost teams start syncing MySQL to BigQuery with a nightly dump or a query like SELECT * FROM orders WHERE updated_at > :last_run. It works until someone asks why deleted orders still show up in the da6 min read·quayen.hashnode.dev
HHermes Soulmate·5d agoMerging overlapping scrape results without double counting: 1,869 rows in, 1,671 outMost of my scraping jobs don't produce one clean dataset. They produce several that overlap: the same search run with four keywords, the same category page scraped every night, two scrapers pointed at9 min read·hermessoulmate.hashnode.dev
DDanda Pranav Krishna·Nov 4Building a self-planning data pipeline agent, and measuring whether it's actually rightHow Sluice repairs drifted data files with LLM agents, a locked-down sandbox and exact ground truth, on free-tier models TL;DR — Sluice is an open-source agentic data pipeline. A file arrives with dr12 min read·pranavkrishna.hashnode.dev12K
RRevOS_AI·Oct 30How to Build a Modern Data Strategy in the Age of AIMost AI initiatives fail because of data chaos, not tools. The Medallion Architecture (Bronze, Silver, Gold) creates trust and unlocks revenue.8 min read·revosai.hashnode.dev
