Running Apache Polaris in Production
September 10, 2026Apache Polaris past the quickstart: persistence backends, realm bootstrap, replica token signing, upgrades, backups, and which failures take the lakehouse offline.
Apache Polaris past the quickstart: persistence backends, realm bootstrap, replica token signing, upgrades, backups, and which failures take the lakehouse offline.
Three multi-region topologies that work and one that mostly does not, what an Iceberg commit costs across regions, and where the catalog has to live.
Managed and external Iceberg tables mean different things on every platform. Five ownership dimensions and a translation method for vendor vocabulary.
Cross-posted. This article’s canonical home is Alex Merced’s Lakehouse Blog. Decoupled Catalogs vs. Managed Tables: Architectural Freedom in…