Can we do online transactions(oltp) using hadoop?
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Explain what is sqoop in Hadoop ?
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What is the difference between traditional RDBMS and Hadoop?
Explain how do ‘map’ and ‘reduce’ works?
Is client the end user in HDFS?
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In cloudera there is already a cluster, but if I want to form a cluster on ubuntu can we do it?
How to enable recycle bin in hadoop?
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when hadoop enter in safe mode?
What does /var/hadoop/pids do?