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From Apache Wiki <>
Subject [Solr Wiki] Update of "DistributedSearch" by OtisGospodnetic
Date Wed, 26 May 2010 18:20:02 GMT
Dear Wiki user,

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

The "DistributedSearch" page has been changed by OtisGospodnetic.


     * No distributed idf (see
) (Also see for some new work on this feature.)
     * Doesn't support !QueryElevationComponent
     * The index could change between stages, e.g. a document that matched a query and was
subsequently changed may no longer match but will still be retrieved.
-    * Doesn't currently support date faceting
+    * Doesn't currently support date faceting (see
     * Currently only supports sorted field facets (Solr 1.4+ supports both)
     * Number of shards is limited by number of characters allowed for GET method's URI; most
web servers generally support at least 4000 characters, but limit still exists to prevent
denial-of-service attacks.
     * Makes it more inefficient to use a high "start" parameter. For example, if you request
start=500000&rows=25 on an index with 500,000+ docs per shard, this will currently result
in 500,000 records getting sent over the network from the shard to the coordinating Solr instance.
If you had a single-shard index, in contrast, only 25 records would ever get sent over the
network. (Granted, setting start this high is not something many people need to do.)

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