+ 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->number_of_replicas= source->number_of_replicas;
+
+ if (source->hosts)
+ rc= memcached_server_push(new_clone, source->hosts);
+
+ if (rc != MEMCACHED_SUCCESS)
+ {
+ memcached_free(new_clone);
+
+ return NULL;
+ }
+