What is a Block Scanner in HDFS?
What do you understand by mem-table in cassandra?
Does Apache Flume provide support for third party plug-ins?
Explain the Use of Hive?
What is job tracker in Hadoop?
Is a log flume a roller coaster?
Can you define what is Event Serializer in Flume?
Where are hadoop’s configuration files located and list them?
How can you set an arbitrary number of mappers to be created for a job in Hadoop?
What do you mean by column family?
What are snapshots and how do you create one in cassandra?
What are the major differences between Hadoop 2 and Hadoop 3?
Explain why the name ‘hadoop’?
How many types of tunable consistency are supported in Cassandra?
What is Spark MLlib?