# 数据倾斜排查及解决方法
- **[概述](https://support.huaweicloud.com/bestpractice-aidatalake/aidatalake_07_0016.html)**   
- **[Join](https://support.huaweicloud.com/bestpractice-aidatalake/aidatalake_07_0009.html)**   
- **[Group By](https://support.huaweicloud.com/bestpractice-aidatalake/aidatalake_07_0010.html)**   
- **[Count(Distinct)](https://support.huaweicloud.com/bestpractice-aidatalake/aidatalake_07_0011.html)**   
- **[ROW_NUMBER（TopN）](https://support.huaweicloud.com/bestpractice-aidatalake/aidatalake_07_0012.html)**   
- **[动态分区](https://support.huaweicloud.com/bestpractice-aidatalake/aidatalake_07_0013.html)**   
- **[分区过少](https://support.huaweicloud.com/bestpractice-aidatalake/aidatalake_07_0014.html)**