Parquet on nanta - Data Engineeringhttps://nanta-data.dev/en/tags/parquet/Recent content in Parquet on nanta - Data EngineeringHugo -- gohugo.ioen© 2026 nantaFri, 27 Feb 2026 00:00:00 +0000Trino v451 to v476: Upgrading a Production Cluster Across 25 Versionshttps://nanta-data.dev/en/posts/trino-v476-upgrade/Fri, 27 Feb 2026 00:00:00 +0000https://nanta-data.dev/en/posts/trino-v476-upgrade/We upgraded Trino from v451 to v476 — 25 minor versions in one jump. Blue/Green deployment on our OLAP clusters caught two regressions: a Materialized View refresh bug and a Parquet read failure. We binary-searched the root cause down to a single v469 commit and got a community fix within a day.