Which files are used by the startup and shutdown commands?
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Explain how can we change the split size if our commodity hardware has less storage space?
What are different hdfs dfs shell commands to perform copy operation?
Explain the difference between NameNode
What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?
What is HDFS Federation?
What is the best hardware configuration to run Hadoop?
What is cloudera and why it is used?
Define a commodity hardware? Does commodity hardware include ram?
What is the problem with small files in Apache Hadoop?
Mention what is the use of Context Object?
Explain what is sqoop in Hadoop ?
What is the sequencefileinputformat in hadoop?
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