What is a Task instance in Hadoop? Where does it run?1
What is Immutable?
Can You Use Apache Spark To Analyze and Access Data Stored In Cassandra Databases?
What are all stats classes in the java api package available?
What is hive on spark?
What is HDFS ? How it is different from traditional file systems?
What is a partitioner and how the user can control which key will go to which reducer?
How can you manually partition the rdd?
Can you briefly explain the apache mahout?
What is the design architecture of Cassandra?
How would you tackle counting words in several text documents?
What is difference between coalesce and repartition?
What are the most memory-intensive operations?
What is partitioning key?
What are the different ways of executing Pig script?