Apache Hadoop Interview Questions
Un-Answered Questions { Apache Hadoop }
On What concept the Hadoop framework works?
What is your favourite tool in the hadoop ecosystem?
What does job conf class do?
What does the command mapred.job.tracker do?
How to exit the vi editor?
Explain the Job OutputFormat?
Which are the three main hdfs-site.xml properties?
What is formatting of the dfs?
What are the port numbers of namenode, job tracker and task tracker?
What is the meaning of the term "non-DFS used" in Hadoop web-console?
How to configure hadoop to reuse JVM for mappers?
On which port does ssh work?
What if a namenode has no data?
How many maximum jvm can run on a slave node?
Explain how do ‘map’ and ‘reduce’ works?
