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Posted to issues@hive.apache.org by "Vihang Karajgaonkar (JIRA)" <ji...@apache.org> on 2018/06/22 19:34:00 UTC

[jira] [Comment Edited] (HIVE-17751) Separate HMS Client and HMS server into separate sub-modules

    [ https://issues.apache.org/jira/browse/HIVE-17751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16520717#comment-16520717 ] 

Vihang Karajgaonkar edited comment on HIVE-17751 at 6/22/18 7:33 PM:
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Yeah, this looks like a problem that we should solve. hive-exec depending on metastore-server doesn't seem like a good idea to me. We should either move it to HS2 or keep it temporarily in the hive-metastore module (instead of standalone-metastore)  if possible and then move it to HS2. I am not sure how difficult would that be.


was (Author: vihangk1):
Yeah, this looks like a problem that we should solve. hive-exec depending on metastore-server doesn't seem like a good idea to me. We should either move it to HS2 or keep it temporarily in the hive-metastore module if possible and then move it to HS2. I am not sure how difficult would that be.

> Separate HMS Client and HMS server into separate sub-modules
> ------------------------------------------------------------
>
>                 Key: HIVE-17751
>                 URL: https://issues.apache.org/jira/browse/HIVE-17751
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Standalone Metastore
>            Reporter: Vihang Karajgaonkar
>            Assignee: Alexander Kolbasov
>            Priority: Major
>         Attachments: HIVE-17751.01.patch, HIVE-17751.06-standalone-metastore.patch
>
>
> external applications which are interfacing with HMS should ideally only include HMSClient library instead of one big library containing server as well. We should ideally have a thin client library so that cross version support for external applications is easier. We should sub-divide the standalone module into possibly 3 modules (one for common classes, one for client classes and one for server) or 2 sub-modules (one for client and one for server) so that we can generate separate jars for HMS client and server.



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