What is Data Log in Kafka?
What is the role of the offset.
What is cqlsh? And why is it used?
What is Counter in MapReduce?
What is the use of BloomMapFile?
Suppose that your data is stored in collections, for instance, some binary data, message data or metadata is all keyed on the same value. Will you use HBase for this?
In how many ways RDDs can be created? Explain.
what is Metastore in Hive?
How do we create rdds in spark?
Explain different transformation on DStream?
List the network requirements for using Hadoop ?
Why to use hbase?
What are accumulators in Apache Spark?
Is hadoop the future?
What are the basic available commands in Hadoop sqoop ?