new_clone->get_key_failure= source->get_key_failure;
new_clone->delete_trigger= source->delete_trigger;
new_clone->server_failure_limit= source->server_failure_limit;
new_clone->io_msg_watermark= source->io_msg_watermark;
new_clone->io_bytes_watermark= source->io_bytes_watermark;
new_clone->io_key_prefetch= source->io_key_prefetch;
new_clone->get_key_failure= source->get_key_failure;
new_clone->delete_trigger= source->delete_trigger;
new_clone->server_failure_limit= source->server_failure_limit;
new_clone->io_msg_watermark= source->io_msg_watermark;
new_clone->io_bytes_watermark= source->io_bytes_watermark;
new_clone->io_key_prefetch= source->io_key_prefetch;