Tag: #orc
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 1 posts
Columnar Storage Deep Dive 2025: Parquet, ORC, Apache Arrow, Dremel — Why Analytics DBs Are 10,000x Faster
How Snowflake, BigQuery, and Spark query terabytes in seconds. A complete tour of Parquet Dremel structure, ORC, Apache Arrow in-memory format, RLE/Dictionary compression, and vectorized execution.
2026-04-15 · 13 min read #columnar-storage#parquet#orc#apache-arrow#dremel