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Date: Sun, 16 Sep 2012 05:34:08 +1100 (NCT)
From: "Noble Paul (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
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Subject: [jira] [Commented] (SOLR-2592) Pluggable shard lookup mechanism for
 SolrCloud
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    [ https://issues.apache.org/jira/browse/SOLR-2592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13456462#comment-13456462 ] 

Noble Paul commented on SOLR-2592:
----------------------------------

Why should we have a composite id ? Why not we just configure the shard.key as a different field from the uniqueKey and pass the value of the field (shard.key.val) for add/delete? 
                
> Pluggable shard lookup mechanism for SolrCloud
> ----------------------------------------------
>
>                 Key: SOLR-2592
>                 URL: https://issues.apache.org/jira/browse/SOLR-2592
>             Project: Solr
>          Issue Type: New Feature
>          Components: SolrCloud
>    Affects Versions: 4.0-ALPHA
>            Reporter: Noble Paul
>            Assignee: Mark Miller
>         Attachments: dbq_fix.patch, pluggable_sharding.patch, pluggable_sharding_V2.patch, SOLR-2592.patch, SOLR-2592_r1373086.patch, SOLR-2592_r1384367.patch, SOLR-2592_rev_2.patch, SOLR_2592_solr_4_0_0_BETA_ShardPartitioner.patch
>
>
> If the data in a cloud can be partitioned on some criteria (say range, hash, attribute value etc) It will be easy to narrow down the search to a smaller subset of shards and in effect can achieve more efficient search.  

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