In a very huge text file, you want to just check if a particular keyword exists. How would you do this using Spark?
What is partioner in hadoop? Where does it run,mapper or reducer?
What is a task tracker?
Can you explain recommendation engine?
How can you debug a pig script?
What type of data hadoop can handle ?
How is hadoop related to the big data? Describe its components?
What is the function of mapreducer partitioner?
What is the History of Cassandra Database ?
What is UDF in Pig?
What do you know about collaborative filtering?
Explain how Hive Deserialize and serialize the data?
How to read file in HDFS?
Explain the run-time architecture of Spark?
List down the languages supported by Apache Spark?