Sharding.py 文件源码

def restore_balancer_state(self):
        if self._balancer_state_start is not None and not self.restored:
            try:
                logging.info("Restoring balancer state to: %s" % str(self._balancer_state_start))
                self.set_balancer(self._balancer_state_start)
                self.restored = True
            except Exception, e:
                logging.fatal("Failed to set balancer state! Error: %s" % e)
                raise DBOperationError(e)