Known Issues Iceberg
Learn about the known issues in Iceberg, the impact or changes to the functionality, and the workaround.
- CDPD-57551: Performance issue can occur on reads after writes of Iceberg tables
- Hive might generate too many small files, which causes performance degradation.
- CDPD-55243: Spark can read stale data under certain conditions
-
Using inconsistent cases for database and table names of Iceberg tables in queries can lead to Spark reading stale data. In particular, after any write to the table (append, update, delete) in the same session, an old snapshot may still be read, unless all queries use consistent casing for database and table names.