What is HDFS Block size? How is it different from traditional file system block size?
shouldn't DFS be able to handle large volumes of data already?
Virtual Box & Ubuntu Installation?
What is the InputFormat ?
What is high availability in hadoop?
What is the difference between Hadoop and Traditional RDBMS?
Explain the features of pseudo mode?
What is the heartbeat used for?
Explain what is sqoop in Hadoop ?
What is Partioner in hadoop? Where does it run
Name some companies that use Hadoop?
Have you ever used Counters in Hadoop. Give us an example scenario?
Define a datanode?
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