Hadoop Map Reduce Task Failures critical
There is an unusually high number of MapReduce task failures.
>>>
> 100
The alert triggers when the metric hadoop_mapreduce_task_failures_total exceeds 100, meaning more than 100 MapReduce task failures have been recorded, which indicates an unusually high failure rate. When this condition is met, the "Hadoop Map Reduce Task Failures" alert fires.
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