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https://issues.apache.org/jira/browse/IMPALA-9478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sahil Takiar resolved IMPALA-9478.
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Fix Version/s: Impala 4.0
Resolution: Fixed
> Runtime profiles should indicate if custom UDFs are being used
> --------------------------------------------------------------
>
> Key: IMPALA-9478
> URL: https://issues.apache.org/jira/browse/IMPALA-9478
> Project: IMPALA
> Issue Type: Task
> Reporter: Sahil Takiar
> Assignee: Sahil Takiar
> Priority: Major
> Fix For: Impala 4.0
>
>
> Custom UDFs can include arbitrary user code that can cause query slowdown. In
> order to better diagnose queries with UDF issues, it is first important to
> know when a query is even using an UDF.
> Runtime profiles should list out any custom UDFs used by the query, as well
> as the library the UDF is loaded from.
> For Java UDFs, the full classname of the UDF would be good as well.
> Any other metadata associated with the UDF might be useful as well. There are
> a few things that are printed by {{show functions}}
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