Explain the basic difference between traditional rdbms and hadoop?
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What is structured data?
what is the typical block size of an HDFS block?
how to share the metastore within multiple users?
Explain use cases where SequenceFile class can be a good fit?
Is hadoop obsolete?
did you maintain the hadoop cluster in-house or used hadoop in the cloud?
What is yarn in hadoop?
Can the balancer be run while Hadoop is in use?
What are the modes in which Apache Hadoop run?
What are the modules that constitute the Apache Hadoop 2.0 framework?
What is the problem with small files in Apache Hadoop?
What is small file problem in hadoop?
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