What is a partitioner and how the user can control which key will go to which reducer?
List the various types of "Cluster Managers" in Spark.
What are some of the different modes used in hadoop.
What is the replication factor?
What is the use of “ResultSet execute(Statement statement)” method?
Which is better scala or python for spark?
What is the best practice on deciding the number of column families for HBase table?
Hadoop sqoop word came from?
What does consumer api in kafka?
Is apache spark a tool?
How can we create rdds in apache spark?
Define Partition and Partitioner in Apache Spark?
What is aggregatebykey spark?
How to come out of the insert mode?
How job tracker schedules an assignment?