Which data storage components are used by hadoop?
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What is Partioner in hadoop? Where does it run
What is the jobtracker?
What is HDFS Block size? How is it different from traditional file system block size?
What stored in HDFS?
Why is hadoop faster?
Explain the use of tasktracker in the hadoop cluster?
How will format the HDFS ?
What is a Combiner?
What are the two main components of ResourceManager?
What is Safemode in Apache Hadoop?
What will you do when NameNode is down?
Can we have multiple entries in the master files?
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