[jira] [Created] (SOLR-11229) Add a configuration upgrade tool for Solr

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[jira] [Created] (SOLR-11229) Add a configuration upgrade tool for Solr

JIRA jira@apache.org
Hrishikesh Gadre created SOLR-11229:

             Summary: Add a configuration upgrade tool for Solr
                 Key: SOLR-11229
                 URL: https://issues.apache.org/jira/browse/SOLR-11229
             Project: Solr
          Issue Type: Improvement
      Security Level: Public (Default Security Level. Issues are Public)
    Affects Versions: 6.6
            Reporter: Hrishikesh Gadre

Despite widespread enterprise adoption, Solr lacks automated upgrade tooling. It has long been a challenge for users to understand the implications of a Solr upgrade. Users must manually review the Solr release notes to identify configuration changes either to fix backwards incompatibilities or to utilize latest features in the new version. Additionally, users must identify a way to migrate existing index data to the new version (either via an index upgrade or re-indexing the raw data).

Solr config upgrade tool aims to simplify the upgrade process by providing upgrade instructions tailored to your configuration. These instructions can help you to answer following questions

- Does my Solr configuration have any backwards incompatible sections? If yes which ones?
- For each of the incompatibility - what do I need to do to fix this incompatibility? Where can I get more information about why this incompatibility was introduced (e.g. references to Lucene/Solr jiras)?
- Are there any changes in Lucene/Solr which would require me to do a full reindexing OR can I get away with an index upgrade?

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