— Hive's DECIMAL data type cannot be mapped to Pig via HCatalog
HCatalog does recognize the DECIMAL data type.
— Job submission using Webhcatalog might not work correctly
Resolution: None; use workaround.
Workaround: Cloudera recommends using the Oozie REST interface to submit jobs, as it's a more mature and capable tool.
— Webhcatalog does not work in a Kerberos-secured Federated cluster