Posts
All the articles I've posted.
- 27 MIN READ•Jul 6, 2026
The File Format Renaissance: Parquet, Lance, Vortex, Nimble, BtrBlocks, and the New Physics of Columnar Storage
For a decade, the file format layer was the most settled real estate in data. Apache Parquet held the analytical world, ORC held the Hive legacy es...
parquetlancevortex - 16 MIN READ•Jul 6, 2026
Enforcing Fine-Grained Security at Machine Speed: Dynamic Access Control for High-Frequency AI Agents
AI agents change the security model for analytics. A human user may run a handful of queries, pause, interpret the answer, and ask a follow-up. An...
fine-grained securityai agentsaccess control - 16 MIN READ•Jul 6, 2026
Implementing Positional Deletes in Iceberg v3: Streamlining Merge-on-Read for Fast-Inbound Event Lakes
Event data has a way of humbling neat architecture diagrams. It arrives late. It arrives twice. It arrives with incorrect attributes. It needs priv...
iceberg v3positional deletesevent lakes