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https://issues.apache.org/jira/browse/CASSANDRA-19363?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jacek Lewandowski updated CASSANDRA-19363:
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Fix Version/s: 3.11.x
> Weird data loss in 3.11 flakiness during decommission
> -----------------------------------------------------
>
> Key: CASSANDRA-19363
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19363
> Project: Cassandra
> Issue Type: Bug
> Components: Consistency/Bootstrap and Decommission
> Reporter: Jacek Lewandowski
> Priority: Normal
> Fix For: 3.11.x
>
>
> While testing CASSANDRA-18824 on 3.11, we noticed one flaky result of the
> newly added decommission test. It looked innocent; however, when digging into
> the logs, it turned out that, for some reason, the data that were being
> pumped into the cluster went to the decommissioned node instead of going to
> the working node.
> That is, the data were inserted into a 2-node cluster (RF=1) while, say,
> node2 got decommissioned. The expected behavior would be that the data land
> in node1 after that. However, for some reason, in this 1/1000 flaky test, the
> situation was the opposite, and the data went to the decommissioned node,
> resulting in a total loss.
> I haven't found the reason. I don't know if it is a test failure or a
> production code problem. I cannot prove that it is only a 3.11 problem. I'm
> creating this ticket because if this is a real issue and exists on newer
> branches, it is serious.
>
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