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https://issues.apache.org/jira/browse/CASSANDRA-18625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claude Warren reassigned CASSANDRA-18625:
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Assignee: Claude Warren
> Testing required to test upgrade and downgrade completeness
> -----------------------------------------------------------
>
> Key: CASSANDRA-18625
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18625
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Claude Warren
> Assignee: Claude Warren
> Priority: Normal
>
> In the paper "Understanding and Detecting Software Upgrade Failures in
> Distributed Systems" the authors identify several hidden issues with
> Cassandra upgrade capabilities. Indeed these were submitted as bugs and
> fixed. The authors also point out that a failure during upgrade (or
> downgrade) is a critical failure often taking out a whole cluster.
> This issue is to find/create a testing library similar to the one described
> at [2] that is integrated into the Cassandra build system at appropriate
> points. Those points to be determined as development of the solution
> progresses.
>
> [1] [https://dl.acm.org/doi/10.1145/3477132.3483577]
> [2] https://sysartifacts.github.io/sosp2021/summaries/duptester
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