Is fs.mapr.working.dir a single directory?
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What is the difference between Apache Hadoop and RDBMS?
What is the problem with small files in Apache Hadoop?
What is HDFS Federation?
Which are the three main hdfs-site.xml properties?
What do you know about keyvaluetextinputformat?
Data Engineer Given a list of followers in the format:123, 345234, 678345, 123…Where column one is the ID of the follower and column two is the ID of the followee. Find all mutual following pairs (the pair 123, 345 in the example above). How would you use Map/Reduce to solve the problem when the list does not fit in memory?
How to enable trash/recycle bin in hadoop?
Explain the benefits of block transfer?
what is difference between int and intwritable?
Can hbase run without hadoop?
What are channel selectors?
How we can take Hadoop out of Safe Mode?
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