What is the function of ApplicationMaster?
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What exactly is hadoop?
Why is hadoop faster?
What does ‘jps’ command do?
What are the basic available commands in Hadoop sqoop ?
On what basis name node distribute blocks across the data nodes?
What is HDFS Block size? How is it different from traditional file system block size?
How does a namenode handle the failure of the data nodes?
What is the use of Combiner?
Define a combiner?
Command to format the NameNode?
Which are the three main hdfs-site.xml properties?
Can we do online transactions(oltp) using hadoop?
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