Write a mapreduce to find maximum dep salary Wordcount program and explanation in mapreduce . Few project related questions replication factor zookeeper etc
Hadoop Developer Interview Questions
206 hadoop developer interview questions shared by candidates
Hive Load vs Insert
What are map side joins?
Difference between MR1 and MR2. Scenario na sed questions
How Map reduce works explain with one scenario.
2. given dail pad and alphabet associated with each number (no alphabet for 1). if string contain all the number 2 to 9 inclusive, find all possible combination.
Hive query which change datatye of column. Hive query with 'rlike'. Group by query. Cartesian join query
Why is there no interviewer?
What is a block and block scanner in HDFS? ... Explain the difference between NameNode, Backup Node and Checkpoint NameNode. ... What is commodity hardware? ... What is the port number for NameNode, Task Tracker and Job Tracker? ... Explain “Big Data” and what are five V’s of Big Data? Why does one remove or add nodes in a Hadoop cluster frequently?
Java String builder, Array List concept.
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