Autodelete empty rows
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                 Key: CASSANDRA-2795
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2795
             Project: Cassandra
          Issue Type: Improvement
          Components: Core, Tools
    Affects Versions: 0.8.0
            Reporter: Pau Rodriguez


In a system where every column expire using TTL. The rows persist, and they are 
empty.
If is possible to also delete them if empty when last column had expired.

I understand that this may be difficult to synchronize between all the cluster.

If this behavior isn't good for all cases, maybe can be configured in a 
variable per Column Family.

Alternatively could be a tool to removed empty rows along all the cluster, the 
problem to do that using the API is the time between the check is done and the 
remove is send.

I think that is preferable to be done when last column has expired.

Thanks in advance.

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