func (r *RedisBackend) SaveVMap(key string, vmap *utils.VersionedMap) error {
serialized := vmap.MarshalMap()
if len(serialized) == 0 {
return nil
}
created, err := r.SetMulti(key, serialized)
if err != nil {
return err
}
if created != "OK" {
return errors.New("not saved")
}
r.GcVMap(key, vmap)
return nil
}
