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upgrade to Lucene 2.1 

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@508806 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yonik Seeley 2007-02-17 20:48:20 +00:00
parent 3e80baf529
commit 304d6f86ff
7 changed files with 24 additions and 7 deletions
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19
CHANGES.txt
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@ -25,6 +25,23 @@ $Id$
Upgrading from Solr 1.1
-------------------------------------
IMPORTANT UPGRADE NOTE: In a master/slave configuration, all searchers/slaves
should be upgraded before the master! If the master were to be updated
first, the older searchers would not be able to read the new index format.
Older Apache Solr installations can be upgraded by replacing
the relevant war file with the new version. No changes to configuration
files should be needed.
This version of Solr contains a new version of Lucene implementing
an updated index format. This version of Solr/Lucene can still read
and update indexes in the older formats, and will convert them to the new
format on the first index change. One change in the new index format
is that all "norms" are kept in a single file, greatly reducing the number
of files per segment. Users of compound file indexes will want to consider
converting to the non-compound format for faster indexing and slightly better
search concurrency.
The JSON response format for facets has changed to make it easier for
clients to retain sorted order. Use json.nl=map explicitly in clients
to get the old behavior, or add it as a default to the request handler
@ -117,7 +134,7 @@ Bug Fixes
were being ignored by all "out of the box" RequestHandlers. (hossman)
Other Changes
1.
1. Updated to Lucene 2.1
================== Release 1.1.0, 20061222 ==================

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