# ClickHouse故障排除
本章节汇总了使用ClickHouse时遇到的常见故障及故障处理方法。
- **ClickHouse组件异常：**
  - [删除ClickHouse表或分区失败](https://support.huaweicloud.com/trouble-mrs/mrs_03_0853.html)
  
  - [ClickHouse频繁连接失败提示密码错误](https://support.huaweicloud.com/trouble-mrs/mrs_03_0852.html)
  
  - [ClickHouse中删除复制表后重建复制表失败](https://support.huaweicloud.com/trouble-mrs/mrs_03_0848.html)
  
  - [ZooKeeper上数据错乱导致ClickHouse启动失败](https://support.huaweicloud.com/trouble-mrs/mrs_03_0281.html)
   
- **ClickHouse数据写入异常** **：**
  - [创建ClickHouse复制表失败](https://support.huaweicloud.com/trouble-mrs/mrs_03_0849.html)
  
  - [ClickHouse数据迁移过程报错](https://support.huaweicloud.com/trouble-mrs/mrs_03_0856.html)
  
  - [ClickHouse数据导入失败，报错Table is in readonly mode](https://support.huaweicloud.com/trouble-mrs/mrs_03_0851.html)
  
  - [ClickHouse复制表副本数据慢，在队列中存在大量的fetch请求](https://support.huaweicloud.com/trouble-mrs/mrs_03_0854.html)
   
- **ClickHouse数据查询异常** **：**
  - [ClickHouse消费Kafka数据异常](https://support.huaweicloud.com/trouble-mrs/mrs_03_0736.html)
  
  - [执行ClickHouse查询时报错Max query size exceeded](https://support.huaweicloud.com/trouble-mrs/mrs_03_0855.html)