Who was the original author of Cassandra?
What will apache driver do?
How are sparks created?
Where is the Mapper Output intermediate kay-value data stored ?
List the advantage of Parquet file in Apache Spark?
Define paired RDD in Apache Spark?
What is a shuffle block in spark?
What is the data storage component used by Hadoop?
Is spark a programming language?
Does spark use hive?
Explain bloom?
On which hosts does impala run?
State about ZooKeeper WebUI?
What are the major features/characteristics of rdd (resilient distributed datasets)?
When running Spark applications, is it necessary to install Spark on all the nodes of YARN cluster?