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https://issues.apache.org/jira/browse/SOLR-15596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ishan Chattopadhyaya updated SOLR-15596:
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Priority: Blocker (was: Major)
> Ability for packages to be upgraded over major versions
> -------------------------------------------------------
>
> Key: SOLR-15596
> URL: https://issues.apache.org/jira/browse/SOLR-15596
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Package Manager
> Reporter: Ishan Chattopadhyaya
> Priority: Blocker
>
> In order to support cluster upgrades, we need a way for the users to upgrade
> their package versions easily.
>
> A solution to this is to let the users download multiple versions of a
> package into the system, and use the compatible one at the run time. The
> upgrade cycle will look like this:
> # User installs package {{mypackage}} with version {{1.0}} that is
> compatible with Solr 8x only.
> # User wants to upgrade his cluster to Solr9x.
> # User upgrades to 8.10 first (where this ticket should land).
> # User proactively downloads {{mypackage}} version {{2.0}} that is
> compatible with Solr 9x only.
> # Upon a cluster upgrade, when nodes come up, they will load the latest
> version that is compatible, i.e. mypackage 2.0.
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