Sylvain Lebresne created CASSANDRA-14879:
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             Summary: Log DDL statements on coordinator
                 Key: CASSANDRA-14879
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14879
             Project: Cassandra
          Issue Type: Improvement
          Components: CQL
            Reporter: Sylvain Lebresne
            Assignee: Sylvain Lebresne


People sometimes run into issues with schema, and that is often because they do 
concurrent schema changes, which are just not supported and we should fix that 
someday, but in the meantime, it's not always easy to even check if you may 
indeed have had concurrent schema changes.

A very trivial way to make that easier would be to simply log DDL statements on 
the coordinator before they are executed. This is likely useful info for 
operators in the first place, and would allow in most case to track if 
concurrent schema was the likely cause of a particular issue seen.



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