Why the name ‘hadoop’?
Is hadoop a database?
How to enable trash/recycle bin in hadoop?
Explain the benefits of block transfer?
What is the process to change the files at arbitrary locations in HDFS?
How to configure hadoop to reuse JVM for mappers?
What is the difference between hadoop and other data processing tools?
Can you tell us more about ssh?
What platform and java version are required to run hadoop?
What are different hdfs dfs shell commands to perform copy operation?
What does the command mapred.job.tracker do?
shouldn't DFS be able to handle large volumes of data already?
How to resolve ioexception: cannot create directory, while formatting namenode in hadoop?
How many instances of a jobtracker run on hadoop cluster?
What is Apache Hadoop? Why is Hadoop essential for every Big Data application?