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From "Cassandra Targett (Jira)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-13584) Explore prohibiting aliases and collections from having the same name.
Date Wed, 04 Dec 2019 19:18:00 GMT

    [ https://issues.apache.org/jira/browse/SOLR-13584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16988110#comment-16988110
] 

Cassandra Targett commented on SOLR-13584:
------------------------------------------

[~erickerickson], I came across this while looking for something else, and also found SOLR-11488
which seems to be for exactly the same prohibition proposed here? Should we close one as a
duplicate?

> Explore prohibiting aliases and collections from having the same name.
> ----------------------------------------------------------------------
>
>                 Key: SOLR-13584
>                 URL: https://issues.apache.org/jira/browse/SOLR-13584
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Erick Erickson
>            Priority: Major
>
> Allowing aliases and collections to have the same name is fragile and a potentially a
data issue. I'll link in a few JIRAs illustrating this and one at least where the discussion 
gets long.
> Straw-man proposal to start things off.
> Deprecate this ability now, and enforce it in 9.0.
> We have to provide a graceful way for users to get themselves out of the following currently-possible
use-case.
>  * a collection C1 is created and all the front-end uses it.
>  * users want to atomically switch to a new collection for various reasons
>  * users create C2 and test it out.
>  * users create an alias C1->C2
> Let's discuss.



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