Which classes are used by the hive to read and write hdfs files?
How is dag created in spark?
Write a Mapreduce Program for Character Count ?
What is ZooKeeper Atomic Broadcast (ZAB) protocol?
What is Hadoop Custom partitioner ?
How can we see all the clusters that are available in Ambari?
Name the operating system(s) which are supported for production hadoop deployment?
What are use cases of Apache Flume?
How is the splitting of file invoked in Hadoop ?
What are combiners and its purpose?
What is the difference between Hbase and Hive?
What is a Cluster, Node and Key space in Cassandra ?
How can you overwrite the replication factors in HDFS?
What is the difference between coalesce and repartition in spark?
Which one will you choose for a project –Hadoop MapReduce or Apache Spark?