What is small file problem in hadoop?
What is the Use of SSH in Hadoop ?
What is safe mode in Hadoop?
What is the main purpose of HDFS fsck command?
What is the difference between traditional RDBMS and Hadoop?
What is Apache Hadoop YARN?
Hadoop Libraries and Utilities and Miscellaneous Hadoop Applications?
How many Daemon processes run on a Hadoop system?
Define tasktracker.
What is oozie in hadoop?
Can Apache Kafka be used without Zookeeper?
Explain the wordcount implementation via hadoop framework ?
What does the command mapred.job.tracker do?