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adding an upgrade note about the lucene format changes 

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@641573 13f79535-47bb-0310-9956-ffa450edef68
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Ryan McKinley 2008-03-26 20:59:40 +00:00
parent a04d84f27c
commit 85819cd41e
1 changed files with 6 additions and 0 deletions
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@ -26,6 +26,12 @@ $Id$
Upgrading from Solr 1.2
-----------------------
Solr 1.3 includes a newer version of Lucene (2.3.1). The new index
format is not readable by older versions of Lucene. Existing indexes
will be automatically converted to the new format after the first
<update> command. Be sure to backup your index before upgrading in
case you need to downgrade.
Solr now recognizes HTTP Request headers related to HTTP Caching (see
RFC 2616 sec13) and will by default respond with "304 Not Modified"
when appropriate. This should only affect users who access Solr via