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Apache Hadoop Interview Questions
Un-Answered Questions { Apache Hadoop }
What is compute and Storage nodes?
What are the important differences between apache and hadoop?
How we can take Hadoop out of Safe Mode?
What is nlineoutputformat?
Mention what is the use of Context Object?
What is formatting of the dfs?
What infrastructure do we need to process 100 TB data using Hadoop?
Explain how is hadoop different from other data processing tools?
What stored in HDFS?
How we can change Replication factor when Data is on the fly?
What are the basic available commands in Hadoop sqoop ?
What is small file problem in hadoop?
Explain the basic difference between traditional rdbms and hadoop?
Explain what if rack 2 and datanode fails?
Can Hadoop be compared to NOSQL database like Cassandra?
