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From "Per Steffensen (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (SOLR-4114) Collection API: Allow multiple shards from one collection on the same Solr server
Date Wed, 28 Nov 2012 14:29:01 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13505472#comment-13505472
] 

Per Steffensen edited comment on SOLR-4114 at 11/28/12 2:28 PM:
----------------------------------------------------------------

bq. This fix belongs with the issue that fixed delete and reload - I'm going to fix it there.

Yes of course, it is just hard for me to split up the patch, because it is all needed for
the tests to be green - and I really want to give you a patch fitting on top of a certain
revision where all tests are green if you add the patch. But commit-wise it belongs to the
other issue.
                
      was (Author: steff1193):
    bq. This fix belongs with the issue that fixed delete and reload - I'm going to fix it
there.

Yes of course, it is just hard for me to split up the patch, because it is all needed for
the tests to be green. But commit-wise it belongs to the other issue.
                  
> 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
>
>
> 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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