Answer / Vaibhav Kumar

To create users in Hadoop HDFS, you can use the command 'hadoop fs -mkdir /user/username' followed by 'hadoop fs -chmod 700 /user/username'. Make sure to replace 'username' with the desired username.

What is a difference between an input split and hdfs block?

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What do you mean by the High Availability of a NameNode in Hadoop HDFS?

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What are the main features of hdfssite.xml?

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Describe HDFS Federation?

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What do you mean by metadata in HDFS?

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How is indexing done in HDFS?

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What is a rack awareness algorithm and why is it used in hadoop?

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What is a block in HDFS, why block size 64MB?

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How HDFS helps NameNode in scaling in Hadoop?

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Differentiate HDFS & HBase?

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Would you be able to change the block size of hdfs files?

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If the source data gets updated every now and then, how will you synchronize the data in hdfs that is imported by sqoop?

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