How can you use adminclient api?
Compare hbase vs hdfs?
Explain the Job OutputFormat?
Who invented hadoop?
Command to format the NameNode?
List some commonly used Machine Learning Algorithm Apache Spark?
What is the difference between map and reduce?
How to get the single file as the output from MapReduce Job?
What is the replica placement Strategy in Cassandra ?
What features from relational databases or hive are not available in impala?
What is in memory in spark?
What is MapFile?
What is cluster in apache spark?
Explain what does the conf.setMapper Class do in MapReduce?
What is Apache Spark Streaming?