What is the problem with small files in Apache Hadoop?
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How is the option in Hadoop to skip the bad records?
Can we do online transactions(oltp) using hadoop?
how can we change Replication Factor?
What do you know about keyvaluetextinputformat?
How client application interacts with the NameNode?
Which command is used for the retrieval of the status of daemons running the hadoop cluster?
How can I install Cloudera VM in my system?
Explain how is hadoop different from other data processing tools?
What do the master class and the output class do?
How do you define "block" in HDFS?
What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?
Explain the wordcount implementation via hadoop framework ?
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