What is the purpose of button groups?
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More Apache Hadoop Interview Questions
How blocks are distributed among all data nodes for a particular chunk of data?
Which are the two types of 'writes' in HDFS?
Can NameNode and DataNode be a commodity hardware?
Who invented hadoop?
What is NoSQL?
Why are the number of splits equal to the number of maps?
what is the default replication factor in HDFS?
What is the jobtracker?
What do the master class and the output class do?
What is compute and Storage nodes?
what is difference between int and intwritable?
Is secondary namenode a substitute to the namenode?
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