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.
Hadoop Engineer Interview Questions
329 hadoop engineer interview questions shared by candidates
Hive query which change datatye of column. Hive query with 'rlike'. Group by query. Cartesian join query
Why is there no interviewer?
I was asked to calculate the theoretical network throughput of a job running across several racks of machines in a cluster.
1.) Limitations of Hadoop 2.) How do we do indexing in Hadoop 3.) How to do performance tuning in hadoop 4.) what are different types of joins in Hive 5.) A hive program asking to find the no.of employees Dept wise.
recent role and responsibility and your day to day work
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?
More into the technical side
Java String builder, Array List concept.
They asked mostly about hive and its Queries and how u have backed up data using cludera Manager and hdfa commamds
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