How to enable/configure the compression of map output data in hadoop?
What is Apache Hadoop? Why is Hadoop essential for every Big Data application?
explain Metadata in Namenode?
What stored in HDFS?
how can we change Replication Factor?
How is the option in Hadoop to skip the bad records?
What do the master class and the output class do?
What is the main purpose of HDFS fsck command?
What are different types of filesystem?
What is 'Key value pair' in HDFS?
What is structured data?
how would you modify that solution to only count the number of unique words in all the documents?
What is Apache Hadoop?