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From "Henri Biestro (JIRA)" <>
Subject [jira] Updated: (SOLR-350) Manage Multiple SolrCores
Date Thu, 20 Dec 2007 15:29:43 GMT


Henri Biestro updated SOLR-350:

    Attachment: solr-350.patch

updated to implement 'alias' (should be considered draft since there aren't specific unit
tests associated yet);
implements persistence (added an XmlWriter that might be revisited); all operations that modify
the multicore state will rewrite the multicore.xml 

Alias feature:
0 - Name and aliases reside in a common identifier space; one identifier uniquely determines
a core (can't have the identifier 'core' used a a name to point to coreA and as an alias to
point to coreB)
1 - One core has one unique immutable name (rename command has been neutralized)
2 - One core may have many aliases
3 - There are only 2 admin commands related to aliases:
   3.1 - alias(core, alias): adds an alias to a core, overriding any existing alias but fails
to override a core name.
   3.2 - unalias(str); if str is a core name identifier, all its aliases get deleted, if str
is an alias identifer only that alias gets deleted.
4 - Core addressing through URLs/API can use either name or alias (although using alias is
best practice for common -aka non-admin- operations)

> Manage Multiple SolrCores
> -------------------------
>                 Key: SOLR-350
>                 URL:
>             Project: Solr
>          Issue Type: Improvement
>    Affects Versions: 1.3
>            Reporter: Ryan McKinley
>         Attachments: SOLR-350-MultiCore.patch, SOLR-350-MultiCore.patch, SOLR-350-MultiCore.patch,
SOLR-350-Naming.patch, solr-350.patch, solr-350.patch, solr-350.patch
> In SOLR-215, we enabled support for more then one SolrCore - but there is no way to use
them yet.
> We need to make some interface to manage, register, modify avaliable SolrCores

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