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https://issues.apache.org/jira/browse/CASSANDRA-15159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16868314#comment-16868314
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Laxmikant Upadhyay commented on CASSANDRA-15159:
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Thanks [~eperott] for your analysis.
You are right, it is annoying and getting resurrected data in this condition
seems a violation of "last write wins" rule.
However replicating old mutation during the read repair again looks an issue
explained by your.
> Purgable tombstones are ignored by read query
> ---------------------------------------------
>
> Key: CASSANDRA-15159
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15159
> Project: Cassandra
> Issue Type: Bug
> Components: Legacy/Local Write-Read Paths
> Reporter: Laxmikant Upadhyay
> Priority: Normal
> Attachments: steps2reproduce.txt, trace.txt
>
>
> In 3 node Cassandra cluster, one node has old mutation and two nodes have
> evict-able (crossed gc grace period) tombstone produced by TTL. A read query
> with local quorum return the old mutation as result when one request goes to
> the node having old mutation. However expected result should be empty.
> Attached the steps to reproduce and trace of read query.
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