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https://issues.apache.org/jira/browse/CASSANDRA-18365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brandon Williams updated CASSANDRA-18365:
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Fix Version/s: 5.1
(was: 5.x)
> CEP-15: Accord Protocol Correctness issue
> -----------------------------------------
>
> Key: CASSANDRA-18365
> URL: https://issues.apache.org/jira/browse/CASSANDRA-18365
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Accord
> Reporter: Pierre Sutra
> Assignee: Benedict Elliott Smith
> Priority: Normal
> Labels: pull-request-available
> Fix For: 5.1
>
> Attachments: bug.pdf
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> There is a bug in the Accord protocol which might break linearizability, even
> in the single partition case.
> The file in attachment details this issue following the pseudo-code in the
> white paper describing Accord [1]. If the Java implementation follows this
> pseudo-code, it should be subject to the very same problem.
> This bug was found by Fedor Ryabinin, Alexey Gotsman and Pierre Sutra.
> [1]
> https://cwiki.apache.org/confluence/display/CASSANDRA/CEP-15%3A+General+Purpose+Transactions?preview=/188744725/188744736/Accord.pdf
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