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From "Michael Garski (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-2592) Pluggable shard lookup mechanism for SolrCloud
Date Thu, 14 Jun 2012 23:54:42 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13295390#comment-13295390
] 

Michael Garski commented on SOLR-2592:
--------------------------------------

The reason for requiring the unique id to be hashable is that it is required to support the
distributed real-time get component to retrieve a document based on only the unique id, which
in turn is required for SolrCloud. Unit tests that exercise the patch thoroughly are still
needed and I will be diving into later this week, so please keep that in mind if you are using
this outside of a test environment. 
                
> 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
>            Reporter: Noble Paul
>         Attachments: dbq_fix.patch, pluggable_sharding.patch, pluggable_sharding_V2.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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