[GitHub] ctargett commented on a change in pull request #594: SOLR-13259: Add new section on Reindexing in Solr

[GitBox <gi...@apache.org>]

ctargett commented on a change in pull request #594: SOLR-13259: Add new section on Reindexing in Solr
URL: https://github.com/apache/lucene-solr/pull/594#discussion_r261725985
 
 

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 File path: solr/solr-ref-guide/src/reindexing.adoc
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 @@ -0,0 +1,180 @@
+= Reindexing
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+There are several types of changes to Solr configuration that require you to reindex your data.
+
+These changes include editing properties of fields or field types; adding fields, field types, or copy field rules;
+upgrading Solr; and some system configuration properties.
+
+It's important to be aware that many changes require reindexing, because there are times when not reindexing
+can have negative consequences for Solr as a system, or for the ability of your users to find what they are looking for.
+
+There is no process in Solr for programmatically reindexing data. When we say "reindex", we mean, literally,
+"index it again". However you got the data into the index the first time, you will run that process again.
 
 Review comment:
   +1 thanks

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