Ratandeep Ratti created HIVE-12714:
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Summary: Document and make explicit GenericUDF state serialization
features.
Key: HIVE-12714
URL: https://issues.apache.org/jira/browse/HIVE-12714
Project: Hive
Issue Type: New Feature
Reporter: Ratandeep Ratti
Assignee: Ratandeep Ratti
Hi
GenericUDF has a sort of hidden feature which is not publicized on any
official Hive wikis. GenericUDF's state is serialized on the client state and
is reconstructed on the slave nodes, using Kryo, with the required state
intact.
Seems like this is a nice feature. We should document this feature with
shortcomings if any and have an explicit test case in the source code to make
the contract explicit.
Thought's welcome.
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