What is inputsplit in hadoop? Explain.
What are the four characteristics of Big Data?
Which command is used for the retrieval of the status of daemons running the hadoop cluster?
What mechanism does hadoop framework provides to synchronize changes made in distribution cache during runtime of the application?
What is structured data?
How many maximum jvm can run on a slave node?
Why do we need a password-less ssh in fully distributed environment?
What is MapFile?
How is security achieved in Apache Hadoop?
What is HDFS Federation?
What is the problem with small files in Apache Hadoop?
Can hive run without hadoop?
Does this lead to security issues?