Sylvain Lebresne created CASSANDRA-13069:
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             Summary: 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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