2. Java
  3. The variance for this alert is **MB which is 20% of the **MB average (**MB is the limit)

The variance for this alert is **MB which is 20% of the **MB average (**MB is the limit)

xiaoxiao2021-02-28  61

1、调整如下阀值

2、检查HDFS文件系统使用率，清空HDFS上的.trash垃圾数据

# su - hdfs  # hdfs dfs -df -h # hadoop fs -expunge

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