What is the default block size in Hadoop 1 and in Hadoop 2? Can it be changed?
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How can I install Cloudera VM in my system?
What is zookeeper in hadoop?
What are the modules that constitute the Apache Hadoop 2.0 framework?
What is the jobtracker?
What is a task instance in hadoop? Where does it run?
What is nlineoutputformat?
What is a spill factor with respect to the ram?
What should be the ideal replication factor in Hadoop Cluster?
Where is the Mapper Output stored?
Is hadoop a memory?
What are the limitations of importing RDBMS tables into Hcatalog directly?
Explain how is hadoop different from other data processing tools?
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