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7d2e6c0170
Add enforce_rack_list option. When the option is set to true, all tablet keyspaces have rack list replication factor. When the option is on: - CREATE STATEMENT always auto-extends rf to rack lists; - ALTER STATEMENT fails when there is numeric rf in any DC. The flag is set to false by default and a node needs to be restarted in order to change its value. Starting a node with enforce_rack_list option will fail, if there are any tablet keyspaces with numeric rf in any DC. enforce_rack_list is a per-node option and a user needs to ensure that no tablet keyspace is altered or created while nodes in the cluster don't have the consistent value. Mark rf_rack_valid_keyspaces as deprecated. Fixes: https://github.com/scylladb/scylladb/issues/26399. New feature; no backport needed Closes scylladb/scylladb#28084 * github.com:scylladb/scylladb: test: add test for enforce_rack_list option db: mark rf_rack_valid_keyspaces as deprecated config: add enforce_rack_list option Revert "alternator: require rf_rack_valid_keyspaces when creating index"