Home » Hadoop Bigdata Objective type questions and answers » You are running a Hadoop cluster with all monitoring facilities properly configured. Which scenario will go undetected.?

You are running a Hadoop cluster with all monitoring facilities properly configured. Which scenario will go undetected.?

A. Map or reduce tasks that are stuck in an infinite loop.
B. HDFS is almost full.
C. The NameNode goes down.
D. A DataNode is disconnectedfrom the cluster.
E. MapReduce jobs that are causing excessive memory swaps.

Answer: C
Posted by at 05:38
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