What is Safemode in Apache Hadoop?
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Why is Apache Spark faster than Apache Hadoop?
Is hadoop the future?
Explain how input and output data format of the hadoop framework?
Mention what are the data components used by Hadoop?
How can I restart namenode?
What is the purpose of DataNode block scanner?
What is hadoop framework?
What is HDFS High Availability?
What do you know by storage and compute node?
What is the jobtracker and what it performs in a hadoop cluster?
What is the function of ApplicationMaster?
What is a “Distributed Cache” in Apache Hadoop?
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