Distributed query to duplicate shards
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                 Key: SOLR-2132
                 URL: https://issues.apache.org/jira/browse/SOLR-2132
             Project: Solr
          Issue Type: New Feature
          Components: search
            Reporter: Mike Anderson
            Priority: Minor


I think it would be useful to have the option of specifying shard "sets" in the 
shards parameter. Such that if all shards in a set are replicating from the 
same master (and thus have the same documents) the HTTPCommComponent will honor 
the first shard to respond and not wait for the subsequent shards in the same 
set. This will improve performance in the use case when one shard is 
occasionally slow and holds up the entire response. I'm not sure if this is a 
feature that other people want, but I thought I'd post the code none the less.

-Mike

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