Is it possible to provide multiple input to Hadoop? If yes then how can you give multiple directories as input to the Hadoop job?
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What are configuration files in Hadoop?
What is the procedure for namenode recovery?
Can we change the file cached by distributed cache
What is the use of cloudera?
List out some common problems faced by data analyst?
What kind of hardware is best for hadoop?
Can we write map reduce program in other than java programming language. How?
If the hadoop administrator needs to make a change, which configuration file does he need to change?
What is Disk Balancer in Hadoop?
What is the difference between namenode and datanode in hadoop?
Define data cleansing?
What is a udf?
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