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From "Mark Miller (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-4114) Collection API: Allow multiple shards from one collection on the same Solr server
Date Tue, 04 Dec 2012 21:28:58 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13510038#comment-13510038
] 

Mark Miller commented on SOLR-4114:
-----------------------------------

I'm happy to commit a test for this, but lets come up with something that doesn't have a long
sleep  like this. 
I suppose a 10 second sleep is more agreeable, but these things add up and  and I'd rather
come up with a better test. 
                
> 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, SOLR-4114.patch, SOLR-4114.patch,
SOLR-4114_trunk.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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