[jira] [Resolved] (SOLR-4420) Please add support for atomic swapping for Collections in SolrCloud

["Mark Miller (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-4420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark Miller resolved SOLR-4420.
-------------------------------

    Resolution: Duplicate

> Please add support for atomic swapping for Collections in SolrCloud
> -------------------------------------------------------------------
>
>                 Key: SOLR-4420
>                 URL: https://issues.apache.org/jira/browse/SOLR-4420
>             Project: Solr
>          Issue Type: New Feature
>          Components: SolrCloud
>    Affects Versions: 4.1
>            Reporter: Tim Vaillancourt
>             Fix For: 4.6
>
>
> Similar to the concept of swapping regular Solr cores online, I'd like to request support for atomic swapping of entire Collections in SolrCloud.
> This would aid in online schema changes, online sharding changes, etc. Ideally the new collection would be in sync with the current when swapped. 
> At a high level, I believe this could be achieved if replicas of CollectionA could be brought up in CollectionB, then swapped atomically when in sync. I imagine a momentary pause to updates would need to occur, which would be acceptable for at least my use cases.
> Currently I can create a new collection under a new collection name and swap paths in the application or rename the core, but this is not elegant/ideal.
> Thanks for everyone's hard work on Solr! Great software.
> Tim Vaillancourt



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