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https://issues.apache.org/jira/browse/CASSANDRA-7732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14094420#comment-14094420
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Aleksey Yeschenko commented on CASSANDRA-7732:
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Thanks. Means (inaccurate) ref counting was indeed the issue here, and that 
with 7735 resolved, there is no corruption.

> Counter replication mutation can have corrupt cell name values (via pooled 
> Netty buffers)
> -----------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-7732
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7732
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Andrew Montalenti
>            Assignee: Aleksey Yeschenko
>            Priority: Critical
>             Fix For: 2.1.0
>
>         Attachments: 7732.txt
>
>
> Counter replication mutation can have corrupt cell name values (via pooled 
> Netty buffers), because CM.apply()-created replication mutation doesn't copy 
> the cell names/partition key from the original mutation AND eventually 
> doesn't have the same source frame, making ref counting not work there.



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