Explain HCatWriter?
How namenode handles data node failures?
Is it necessary to write jobs for hadoop in the java language?
What is a Consumer Group?
What is rdd in spark with example?
How is mapreduce related to cloud computing?
How would an hadoop administrator deploy various components of hadoop in production?
What is JMX?
List the languages supported by Apache Spark?
How do we represent data in Spark?
How is dag created in spark?
What are the stable versions of Hadoop?
What types of costs are associated with creating the index on hive tables?
What is Apache Spark?
What is apache ambari?