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From "Eric Lin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-12368) Provide support for different versions of same JAR files for loading UDFs
Date Mon, 09 Nov 2015 05:34:11 GMT

     [ https://issues.apache.org/jira/browse/HIVE-12368?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Lin updated HIVE-12368:
----------------------------
    Priority: Minor  (was: Major)

> Provide support for different versions of same JAR files for loading UDFs
> -------------------------------------------------------------------------
>
>                 Key: HIVE-12368
>                 URL: https://issues.apache.org/jira/browse/HIVE-12368
>             Project: Hive
>          Issue Type: New Feature
>          Components: HiveServer2
>            Reporter: Eric Lin
>            Assignee: Vaibhav Gumashta
>            Priority: Minor
>
> If we want to setup one cluster to support multiple environments, namely DEV, QA, PRE-PROD
etc, this is done in the way that data from different environment will be generated into different
locations in the HDFS and Hive Databases.
> This works fine, however, when need to deploy UDF classes for different environments,
it becomes tricky, as each class has the same namespace, even though we have created udf-dev.jar,
udf-qa.jar etc.
> Creating each HS2 per environment is another option, however, with LB setup, it becomes
harder.
> The request is to have HS2 support loading UDFs in such environment, the implementation
is open to discussion.
> I know that this setup is no ideal, as the better approach is to have one cluster per
environment, however, in the case that you have limited number of nodes in the setup, this
might be the only option and I believe many people can benefit from it.
> Thanks



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