Which data storage components are used by hadoop?
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What is Derby database?
What is Writable & WritableComparable interface?
What is the function of NodeManager?
How can you overwrite the replication factors in HDFS?
Can you explain how do ‘map’ and ‘reduce’ work?
Virtual Box & Ubuntu Installation?
What are the port numbers of namenode, job tracker and task tracker?
What do you know about nlineoutputformat?
Which are the two types of 'writes' in HDFS?
Name the various types of lists supported by bootstrap.
Does this lead to security issues?
How blocks are distributed among all data nodes for a particular chunk of data?
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