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https://issues.apache.org/jira/browse/SOLR-4983?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13840113#comment-13840113
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Noble Paul commented on SOLR-4983:
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Let's examine both the problems you mentioned
1) ugly names show up in ui .what is a universally accepted clean name? Your
scheme of naming could be bad for others
2) I guess this is the real problem . Joins should work work on cloud mode with
collection name. Nobody should ever need to use the core names anywhere
> Problematic core naming by collection create API
> -------------------------------------------------
>
> Key: SOLR-4983
> URL: https://issues.apache.org/jira/browse/SOLR-4983
> Project: Solr
> Issue Type: Bug
> Components: SolrCloud
> Reporter: Chris Toomey
>
> The SolrCloud collection create API creates cores named
> "foo_shard<x>_replica<y>" when asked to create collection "foo".
> This is problematic for at least 2 reasons:
> 1) these ugly core names show up in the core admin UI, and will vary
> depending on which node is being used,
> 2) it prevents collections from being used in SolrCloud joins, since join
> takes a core name as the fromIndex parameter and there's no single core name
> for the collection. As I've documented in
> https://issues.apache.org/jira/browse/SOLR-4905 and
> http://lucene.472066.n3.nabble.com/Joins-with-SolrCloud-tp4073199p4074038.html,
> SolrCloud join does work when the inner collection (fromIndex) is not
> sharded, assuming that collection is available and initialized at SolrCloud
> bootstrap time.
> Could this be changed to instead use the collection name for the core name?
> Or at least add a core-name option to the API?
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