In FusionInsight,How to Determine Emergency Faults

There are some specific standards or situations where you can decide a fault is emergency or not.

The following are examples of emergency faults:
?FusionInsight cluster crashed due to power failure and unable to recover the cluster.
?FusionInsight cluster performance decreased drastically and the cluster is not active.
?HDFS service is down and unable to restart it in FusionInsight Manager.

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