What are producers in kafka?
What is meant by rdd lazy evaluation?
What do we mean by Partitions or slices?
What is avro format?
What is Hive Database?
how you can reduce churn in ISR? When does broker leave the ISR?
What is connection_loss error?
How is HCatalog different from Hive?
Can you use Spark to access and analyse data stored in Cassandra databases?
Difference Between Apache Sqoop vs Flume?
Explain what is a task tracker in hadoop?
What are the different tasks we can perform managing host using ambari host tab?
How rdd persist the data?
If the hadoop administrator needs to make a change, which configuration file does he need to change?
What is the relationship between Jobs and Tasks in Hadoop?