Postgres data stored in Parquet on S3: LTAP architecture explained

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Lakebasedatabase architecturemonolithic databaseswrite-ahead logdata filescloud servicesscalabilityhigh availabilityanalyticstransactions

Author: andrenotgiant

Date: 7/1/2026

Article Summary:
The article discusses the limitations of traditional monolithic databases and proposes a new architecture, Lakebase, that externalizes the write-ahead log and data files into independent cloud services, making it possible to scale writes and reads independently, achieve high availability, and run analytics on the same data as transactions.