What exactly is hadoop?
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What is zookeeper in hadoop?
How can we look for the namenode in the browser?
Did you ever ran into a lop sided job that resulted in out of memory error
What is the difference between SQL and NoSQL?
Is secondary namenode a substitute to the namenode?
What is Apache Hadoop? Why is Hadoop essential for every Big Data application?
How to come out of the insert mode?
Mention what is the use of Context Object?
What is the purpose of dfsadmin tool?
How can I restart namenode?
How is HDFS fault tolerant?
How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?
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