Apache Hadoop Interview Questions
Un-Answered Questions { Apache Hadoop }
What are the two main parts of the hadoop framework?
What mechanism does hadoop framework provides to synchronize changes made in distribution cache during runtime of the application?
Explain the hadoop configuration files at present?
What do you mean by taskinstance?
when hadoop enter in safe mode?
How many instances of tasktracker run on a hadoop cluster?
Does this lead to security issues?
What does job conf class do?
On which port does ssh work?
How indexing is done in HDFS?
Define a job tracker?
How to configure hadoop to reuse JVM for mappers?
How do you categorize a big data?
What does ‘jps’ command do?
What is the best hardware configuration to run Hadoop?
