What is the use of Combiner?
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Explain the hadoop configuration files at present?
what is the default replication factor in HDFS?
What is Row Key?
What is your favourite tool in the hadoop ecosystem?
what is SPF?
On what basis name node distribute blocks across the data nodes?
How does an hadoop application look like or their basic components?
Define a namenode?
How to use Apache Zookeeper command line interface?
Define streaming?
What is the meaning of the term "non-DFS used" in Hadoop web-console?
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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