Can we change the body of the flume event?
How would you diagnose or do exception handling in the pig?
What is a block and block scanner in HDFS?
What is dynamic partitioning and when is it used?
What is crontab? Explain with suitable example?
How do you define "block" in HDFS?
How businesses could be benefitted with Big Data?
What is the heartbeat used for?
What are the file formats that Hive supports and can use be used for storage?
How did you debug your Hadoop code ?
How big data analysis helps businesses increase their revenue?
How many Daemon processes run on a Hadoop system?
Is map like a pointer?
What is IdentityMapper?
What is the default replication factor?