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https://issues.apache.org/jira/browse/CASSANDRA-14937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16724340#comment-16724340
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Benedict commented on CASSANDRA-14937:
--------------------------------------
A first version of this is up for
[3.0|https://github.com/belliottsmith/cassandra/tree/14937-3.0].
Obviously this needs to be back- and forward-ported, but I have hacked the
distributed tests in this branch to run against an external jar of the same
version, and all functionality goes through the cross-version API. Porting it
to the other versions should be fairly straightforward, though it will no doubt
end up conflicting with the changes on CASSANDRA-14922.
> Multi-version In-JVM dtests
> ---------------------------
>
> Key: CASSANDRA-14937
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14937
> Project: Cassandra
> Issue Type: New Feature
> Components: Testing
> Reporter: Benedict
> Assignee: Benedict
> Priority: Major
> Fix For: 2.2.x, 3.0.x, 3.11.x
>
>
> In order to support more sophisticated upgrade tests, including complex fuzz
> tests that can span a sequence of version upgrades, we propose abstracting a
> cross-version API for the in-jvm dtests. This will permit starting a node
> with an arbitrary compatible C* version, stopping the node, and restarting it
> with another C* version.
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