Data Lake

4 stories filed under Data Lake on Beyond Market Intelligence. The newest of them: “When Fuzzy Matching Fails, a Safer Architecture Emerges for Data Lakes”, “Spotify's new index unlocks low-latency queries without copying data”, and “Explore how medallion architecture simplifies your data pipeline with Python and DuckDB”. The matcher was supposed to finish what normalization started, but testing against real data proved otherwise: no version of it could be made safe. Spotify's new external indexing architecture for Apache Parquet data lakes is a smart answer to a persistent problem: why copy data into a separate database just to get fast point queries? Acme AI is the next-generation, AI-powered spreadsheet platform built to replace Excel and redefine how analysts, data scientists, and enterprise teams work… The list below is every Data Lake story on Beyond Market Intelligence, newest first.

When Fuzzy Matching Fails, a Safer Architecture Emerges for Data Lakes
Towards Data Science

When Fuzzy Matching Fails, a Safer Architecture Emerges for Data Lakes

The matcher was supposed to finish what normalization started, but testing against real data proved otherwise: no version of it could be made safe. So the author set it aside, and what remains is a cleaner architecture built on that honest failure. It is a pragmatic take on entity key drift, favoring stability over cleverness. For readers wrestling with similar data lake challenges, this approach feels refreshingly grounded.

Spotify's new index unlocks low-latency queries without copying data
InfoQ

Spotify's new index unlocks low-latency queries without copying data

Spotify's new external indexing architecture for Apache Parquet data lakes is a smart answer to a persistent problem: why copy data into a separate database just to get fast point queries? By mapping lookup keys directly to Parquet file locations, the team enables targeted reads from cloud storage without duplicating datasets. It's a practical move that keeps analytics, machine learning, and online services on the same source of truth.

Explore how medallion architecture simplifies your data pipeline with Python and DuckDB
Towards Data Science

Explore how medallion architecture simplifies your data pipeline with Python and DuckDB

Most teams hit the same wall: raw data lands in one place, and chaos follows. The Medallion Architecture cuts through that with a clear Bronze, Silver, and Gold path, turning mess into structure. This guide pairs that framework with a working Python and DuckDB example, so you can see it run, not just read about it. For more on how LLMs navigate token space, check out our piece on paragraph structure.

Normalizing Live Data Tames the Chaos of IoT Sensor Streams
Towards Data Science

Normalizing Live Data Tames the Chaos of IoT Sensor Streams

Real-world APIs do not behave like sample datasets. They drift. Keys mutate, schemas shift, and your lake pays the price. This first piece in our four-part series tackles Normalization, the essential first step when building a high-frequency streaming pipeline against openSenseMap's live public data. It is a smart, practical starting point. For more on scaling infrastructure, see our piece on simplifying EKS management. Expect matching algorithms, adaptive polling, and a Terraform-based Iceberg pipeline next.