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?
594How would you use Map/Reduce to split a very large graph into smaller pieces and parallelize the computation of edges according to the fast/dynamic change of data?
520Post New Apache Hadoop Questions
how can we change Replication Factor?
What are the limitations of importing RDBMS tables into Hcatalog directly?
Is it necessary to write jobs for hadoop in the java language?
What is Rack Awareness in Apache Hadoop?
what should be the ideal replication factor in hadoop?
Explain how is hadoop different from other data processing tools?
How can I restart namenode?
How to enable trash/recycle bin in hadoop?
Explain InputFormat?
what are the steps involved in commissioning adding
Is hadoop required for data science?
What do you understand from Node redundancy and is it exist in hadoop cluster?
Explain the features of stand alone (local) mode?
Explain what happens in textinformat ?
How is hadoop different from other data processing tools?
