Mention how many inputsplits is made by a hadoop framework?
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Explain what is namenode in hadoop?
What is throughput in Hadoop?
What does jps command do in Hadoop?
How to do ‘map’ and ‘reduce’ works?
How ordering in hdfs is finished?
What is a record reader?
What happens if one hadoop client renames a file or a directory containing this file while another client is still writing into it?
Give me the examples of Columnar database ?
What does rack awareness mean?
Explain how do you overwrite replication factor?
Is Namenode machine same as DataNode machine as in terms of hardware in Hadoop?
Why cloudera is used?
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