Quanlong Huang created IMPALA-12892:
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Summary: Show the list of UDFs used in a query in the query profile
Key: IMPALA-12892
URL: https://issues.apache.org/jira/browse/IMPALA-12892
Project: IMPALA
Issue Type: New Feature
Reporter: Quanlong Huang
When debugging JVM memory issues of impalads, we want to know if there are any
Java UDFs contribute to that. It'd be helpful to show the list of UDFs that are
used in a query in the query profile.
On the other hand, Java UDFs are usually low performant comparing to native
UDFs. We can show a warning in the profile saying Java UDFs are used.
CC [~michaelsmith]
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