You need to describe it in more detail. When HDFS fails, does it mean that one of the DataNodes is unavailable, or what is the problem. It is recommended to go to the management interface to further check the status of the service and further diagnose the cause. It is possible that the space is full.
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You need to describe it in more detail. When HDFS fails, does it mean that one of the DataNodes is unavailable, or what is the problem.
It is recommended to go to the management interface to further check the status of the service and further diagnose the cause. It is possible that the space is full.
I remember HDFS has logs, just go and look at the logs and you will know