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From "Michael Garski (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-2592) Pluggable shard lookup mechanism for SolrCloud
Date Thu, 07 Jun 2012 16:48:23 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2592?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13291120#comment-13291120
] 

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

{quote}
If you're going to make pluggable distribution policies, why stick to hashing? Why not do
the general case?
{quote}

Very good point. The patches I've attached do not attempt to address other partitioning schemes
such as date based or federated as my immediate requirement is to be able to customize the
hashing. Implementation of a pluggable distribution policy is the logical end state, however
I have not had the time to investigate potential approaches for such a change yet.
                
> 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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