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From Apache Wiki <wikidi...@apache.org>
Subject [Solr Wiki] Update of "SolrCloud" by Mark Miller
Date Fri, 06 Jul 2012 14:55:29 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Solr Wiki" for change notification.

The "SolrCloud" page has been changed by Mark Miller:
http://wiki.apache.org/solr/SolrCloud?action=diff&rev1=39&rev2=40

  {{{
      <cores adminPath="/admin/cores"
  }}}
- The DistributedUpdateProcessor is part of the default update chain, but if you define a
custom update chain you would like to use with SolrCloud, you must put the DistributedUpdateProcessor
in that chain:
+ The DistributedUpdateProcessor is part of the default update chain and is automatically
injected into any of your custom update chains. You can still explicitly add it yourself as
follows:
  
  {{{
     <updateRequestProcessorChain name="sample">
@@ -255, +255 @@

     </updateRequestProcessorChain>
  }}}
  
+ If you do not want the DistributedUpdateProcessFactory auto injected into your chain (say
you want to use SolrCloud functionality, but you want to distribute updates yourself) then
specify the following update processor factory in your chain: NoOpDistributingUpdateProcessorFactory
  
  == Re-sizing a Cluster ==
  You can control cluster size by passing the numShards when you start up the first SolrCore
in a collection. This parameter is used to auto assign which shard each instance should be
part of. Any SolrCores that you start after starting numShards instances are evenly added
to each shard as replicas (as long as they all belong to the same collection).

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