Tag: parquet

All the articles with the tag “parquet”.

• Data This Week #35

  18 Oct, 2026 · 10 min read

  Why sorted Parquet files don't give DataFusion an ordered scan, point-in-time leak-free graphs on Iceberg, rank-space Hilbert clustering in DuckDB, Netflix's ontology-driven observability, Uber's dependency analysis, Apache Polaris disaster recovery, Redshift data sharing and Iceberg writes, JEV classification, duckxlsx, and debugging data mismatches.

• Data This Week #29

  23 Aug, 2026 · 5 min read

  DuckDB v2.0's new PEG-based SQL parser, Cassandra's ACCORD consensus protocol for ACID transactions, migrating multilingual full-text search to PostgreSQL, stream deduplication techniques, the hidden joins inside Snowflake MERGE, and the community debate on enterprise data catalog alternatives.