TypeSafeDriverConfig.reload(Config) is implemented, but currently never called.
Add configuration options to schedule a periodic task that reloads the configuration from an external source (this should be scheduled on adminEventExecutorGroup).
Care must be taken not to leak Config through the public API, since TypeSafe Config is an implementation detail.
Tentative API:
And then replace ClusterBuilder#withConfig(DriverConfig) by ClusterBuilder#withConfigLoader(DriverConfigLoader).