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From "Per Steffensen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-4114) Collection API: Allow multiple shards from one collection on the same Solr server
Date Sat, 01 Dec 2012 11:27:58 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13507932#comment-13507932
] 

Per Steffensen commented on SOLR-4114:
--------------------------------------

Thanks, Mark. Let me know if I can help in any way. It is not that big a patch, but I did
take the opportunity to do some refactoring - you know the bell in my head preventing me from
just doing ctrl-c/ctrl-v :-) This makes the patch a little bigger. Let me know if you want
me to make a patch fitting on top of 4.x or 5.x.
                
> Collection API: Allow multiple shards from one collection on the same Solr server
> ---------------------------------------------------------------------------------
>
>                 Key: SOLR-4114
>                 URL: https://issues.apache.org/jira/browse/SOLR-4114
>             Project: Solr
>          Issue Type: New Feature
>          Components: multicore, SolrCloud
>    Affects Versions: 4.0
>         Environment: Solr 4.0.0 release
>            Reporter: Per Steffensen
>            Assignee: Per Steffensen
>              Labels: collection-api, multicore, shard, shard-allocation
>         Attachments: SOLR-4114.patch, SOLR-4114.patch
>
>
> We should support running multiple shards from one collection on the same Solr server
- the run a collection with 8 shards on a 4 Solr server cluster (each Solr server running
2 shards).
> Performance tests at our side has shown that this is a good idea, and it is also a good
idea for easy elasticity later on - it is much easier to move an entire existing shards from
one Solr server to another one that just joined the cluter than it is to split an exsiting
shard among the Solr that used to run it and the new Solr.
> See dev mailing list discussion "Multiple shards for one collection on the same Solr
server"

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