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Posted to issues-all@impala.apache.org by "Sahil Takiar (Jira)" <ji...@apache.org> on 2020/08/07 21:06:00 UTC
[jira] [Resolved] (IMPALA-9478) Runtime profiles should indicate if
custom UDFs are being used
[ https://issues.apache.org/jira/browse/IMPALA-9478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
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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