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Hadoop Interview Questions
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Un-Answered Questions { Hadoop }
What if rack 2 and datanode fails?
What is hadoop? Name the main components of a hadoop application?
Is it possible to run Spark and Mesos along with Hadoop?
What are the four basic parameters of a mapper?
Can you list some useful zookeeper tools?
Define a datanode?
How to fetch particular columns in pig?
What is the meaning of compaction in hbase?
What features from relational databases or hive are not available in impala?
Define partitioning key?
What happen if the number of the reducer is 0 in MapReduce?
What does jps command do in Hadoop?
Is kafka open source?
What is difference between flume and kafka?
How to iterate all rows in ColumnFamily?
