[jira] [Commented] (MADLIB-1171) Support model versioning in output tables

["Nandish Jayaram (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MADLIB-1171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16700768#comment-16700768 ] 

Nandish Jayaram commented on MADLIB-1171:
-----------------------------------------

The above two comments from ASF GitHub Bot is probably because this Jira was linked
in some other commit/PR by mistake. They should be ignored.

> Support model versioning in output tables
> -----------------------------------------
>
>                 Key: MADLIB-1171
>                 URL: https://issues.apache.org/jira/browse/MADLIB-1171
>             Project: Apache MADlib
>          Issue Type: New Feature
>          Components: All Modules
>            Reporter: Frank McQuillan
>            Assignee: Nikhil
>            Priority: Major
>             Fix For: v2.0
>
>         Attachments: model-versioning-work1.pdf, model-versioning-work2.pdf, p100.png, p101.png
>
>
> Context
> For many MADlib modules,  <out_table> contains the separate models for each group and <out_table>_summary contains the common model data for all groups.  Modeling versioning can be awkward since the model output table and model summary table need to be explicitly dropped between runs.
> Story
> As a data scientist, I want to perform multiple runs without having to drop tables, so that I can easily get a history of the model runs with clear versioning.



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