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https://issues.apache.org/jira/browse/PHOENIX-4231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16361869#comment-16361869
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Rajeshbabu Chintaguntla commented on PHOENIX-4231:
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Thanks [~apurtell] for details.
bq. we could define a Phoenix specific directory for UDFs, configurable by site
file.
This is better and we can restrict loading to one place only.
> Support restriction of remote UDF load sources
> -----------------------------------------------
>
> Key: PHOENIX-4231
> URL: https://issues.apache.org/jira/browse/PHOENIX-4231
> Project: Phoenix
> Issue Type: Improvement
> Reporter: Andrew Purtell
> Assignee: Chinmay Kulkarni
> Priority: Major
>
> When allowUserDefinedFunctions is true, users can load UDFs remotely via a
> jar file from any HDFS filesystem reachable on the network. The setting
> hbase.dynamic.jars.dir can be used to restrict locations for jar loading but
> is only applied to jars loaded from the local filesystem. We should
> implement support for similar restriction via configuration for jars loaded
> via hdfs:// URIs.
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