[jira] [Created] (CASSANDRA-17949) Update CCM post CASSANDRA-17379

["Ekaterina Dimitrova (Jira)" <ji...@apache.org>]

Ekaterina Dimitrova created CASSANDRA-17949:
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             Summary: Update CCM post CASSANDRA-17379
                 Key: CASSANDRA-17949
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-17949
             Project: Cassandra
          Issue Type: Task
            Reporter: Ekaterina Dimitrova


We updated in CASSANDRA-15234 CCM to enable it to handle overloading of parameters the way that SnakeYAML works. As we have matching and backward compatibility between old and new keys in 4.1 (look into this write up for more information [https://cassandra.apache.org/doc/4.1/cassandra/configuration/configuration.html).]

This also allows us not to update for 4.1 the Python DTests but exercise the backward compatibility we have in C* in our tests.

Now CASSANDRA-17379 added a few flags to opt in or out for overloading of parameters.

The default points to -Dcassandra.allow_new_old_config_keys=false but this does not affect our tests as CCM handles the overloading in the yaml.
But this is confusing for users and might lead to issues.

We need to bring on par one way or another ccm with the new flags introduced in CASSANDRA-17379



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