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From Apache Wiki <wikidi...@apache.org>
Subject [Solr Wiki] Update of "SolrCloud" by YonikSeeley
Date Thu, 14 Jan 2010 18:21:03 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 YonikSeeley.
The comment on this change is: add concept of "slice" to mean logical piece of the collection
as opposed to shard which is physical..
http://wiki.apache.org/solr/SolrCloud?action=diff&rev1=12&rev2=13

--------------------------------------------------

  https://svn.apache.org/repos/asf/lucene/solr/branches/cloud/
  
  
- 
  == ZooKeeper ==
  
  == Distributed Request ==
@@ -49, +48 @@

  http://localhost:8983/solr/collection1/select?collection=collection1_NY,collection1_NJ,collection1_CT&shards=auto
  }}}
  
- Query specific logical shards:
+ Query specific slices (logical pieces, a subset of the whole index).
+ In this example, the user has partitioned the index by date, creating a new slice (with
corresponding shards) every month.
  {{{
- Hmmmm...
+ http://localhost:8983/solr/collection1/select?shards=auto&slice=slice_200812,slice_200912,slice_201001
  }}}
  
  = Developer Section =
@@ -107, +107 @@

  
  '''shard'''
  
-  * A piece of a collection.  A shard may or may not have replicas (copies), and may partially
overlap with other shards.
+  * A physical piece of a collection, usually corresponding to a single Lucene index.  A
shard may or may not have replicas (copies), and may partially overlap with other shards.
 A shard has a specific address (i.e. replicas are considered different shards).
+ 
+ '''slice'''
+ 
+  * A logical subset of the collection.  In the simplest case, a slice will be represented
one more more shards with the same content (replicas).
  
  '''core'''
  

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