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Posted to dev@phoenix.apache.org by "Andrew Purtell (JIRA)" <ji...@apache.org> on 2016/05/27 23:53:12 UTC

[jira] [Commented] (PHOENIX-2891) Support system-wide UDFs

    [ https://issues.apache.org/jira/browse/PHOENIX-2891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15305010#comment-15305010 ] 

Andrew Purtell commented on PHOENIX-2891:
-----------------------------------------

Similar to HBase "system coprocessors" in concept and implementation? 

> Support system-wide UDFs
> ------------------------
>
>                 Key: PHOENIX-2891
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-2891
>             Project: Phoenix
>          Issue Type: Improvement
>    Affects Versions: 4.4.0
>            Reporter: Nick Dimiduk
>
> Current UDF implementation requires the use of DynamicClassLoader to locate function classes. This imposes all sorts of filesystem permissions complications when running clients as non-hbase users. Some of these problems can be simplified by supporting loading classes from "standard" classloader, IE, whatever is in hbase/sqlline's classpath. Not requiring the DynamicClassLoader means those permissions issues can be avoided and better support top-down installation of UDFs (ie, via configuration management systems like chef/puppet). This will enable a simplified model of deployment for system or "site" UDFs.



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