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Posted to commits@cassandra.apache.org by "Claude Warren (Jira)" <ji...@apache.org> on 2023/06/23 04:59:00 UTC

[jira] [Assigned] (CASSANDRA-18625) Testing required to test upgrade and downgrade completeness

     [ https://issues.apache.org/jira/browse/CASSANDRA-18625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Claude Warren reassigned CASSANDRA-18625:
-----------------------------------------

    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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