**General Question** <!-- Before asking a question, make sure you have: - Searched existing questions [forum-EN](https://discuss.nebula-graph.io/) or [forum-CH](https://discuss.nebula-graph.com.cn/). - Googled your question. - Searched open and closed issues. - Read the [documentation-EN](https://docs.nebula-graph.io/) or [documentation-CH](https://docs.nebula-graph.com.cn/). 读取边数据时一直卡在spark连接器星云分区索引：1 scanparts list(1) 这，数据量大约30多亿，5个分区，大家都遇到过相似的问题吗？ -->
