When does queuefullexception occur?
How spark is used in hadoop?
Where is spark rdd?
What languages support spark?
What is deploy mode in spark?
what happens when Hadoop spawned 50 tasks for a job and one of the task failed?
If DataNode increases, then do we need to upgrade NameNode?
Explain the concept of cassandra data model?
Give me the examples of Columnar database ?
List the popular use cases of Apache Spark?
What file systems Spark support?
Explain what is a keyspace in Cassandra?
Can you explain spark streaming?
What are the advantage of spark?
what is JobTracker in Hadoop? What are the actions followed by Hadoop?