Which spark library allows reliable file sharing at memory speed across different cluster frameworks?
What Mapper does?
Why spark is used?
What is Geo-Replication in Kafka?
What are the views in Hive?
What is rdd lineage graph? How is it useful in achieving fault tolerance?
Why big data use?
What do you understand by Pair RDD?
How can we check whether namenode is working or not?
Explain when to use explode in Hive?
Define Writable data types in Hadoop MapReduce?
What is meant by spark in big data?
What is flatmap?
What is difference between hive and hdfs?
What is spark context spark session?