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Apache Hadoop Interview Questions
Un-Answered Questions { Apache Hadoop }
Where do you specify the Mapper Implementation?
explain Metadata in Namenode?
What is the communication channel between client and namenode/datanode?
How would you tackle counting words in several text documents?
Explain how can we change the split size if our commodity hardware has less storage space?
What is a spill factor with respect to the ram?
What is zookeeper in hadoop?
What platform and java version are required to run hadoop?
How is the distance between two nodes defined in Hadoop?
What is the default block size in hdfs?
What do you mean by taskinstance?
Should we use RAID in Hadoop or not?
Explain the master class and the output class do?
What exactly is hadoop?
What is the use of combiners in the hadoop framework?
