[jira] [Updated] (CASSANDRA-13069) Local batchlog for MV may not be correctly written on node movements

["Joshua McKenzie (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-13069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joshua McKenzie updated CASSANDRA-13069:
----------------------------------------
    Reviewer: Sylvain Lebresne

> Local batchlog for MV may not be correctly written on node movements
> --------------------------------------------------------------------
>
>                 Key: CASSANDRA-13069
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13069
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Sylvain Lebresne
>            Assignee: Paulo Motta
>
> Unless I'm really reading this wrong, I think the code [here|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/service/StorageProxy.java#L829-L843], which comes from CASSANDRA-10674, isn't working properly.
> More precisely, I believe we can have both paired and unpaired mutations, so that both {{if}} can be taken, but if that's the case, the 2nd write to the batchlog will basically overwrite (remove) the batchlog write of the 1st {{if}} and I don't think that's the intention. In practice, this means "paired" mutation won't be in the batchlog, which mean they won't be replayed at all if they fail.



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