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https://issues.apache.org/jira/browse/SOLR-11229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16455561#comment-16455561
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Hrishikesh Gadre commented on SOLR-11229:
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[~janhoy] Yes, although the new development for this tool is happening in the
internal cloudera repo. It includes the upgrade rules for Solr 6 -> 7 upgrade
as well. I will sync the public github repository ASAP. Eventually we would
like to incorporate this tool as part of the SOLR distribution if there is
enough interest from the community.
> 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
> Priority: Major
>
> 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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