Load PostgreSQL into Apache Iceberg with Sling (opens in new tab)

Introduction Apache Iceberg is the table format that turns a pile of Parquet files in object storage into something that behaves like a warehouse table. You get schema evolution, hidden partitioning, time travel, and consistent reads from whichever engine you point at the table. PostgreSQL is where most operational data starts. Moving it into Iceberg gives you an analytics copy that DuckDB, Spark, Trino, Snowflake, and Athena can all read without anyone needing to agree on a single warehouse ...