Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

  1. Categories >> Software >> Big Data >> Hadoop >> Apache Hadoop
  2. Suggest New Category

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?

Question Posted / jeenat

No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More Apache Hadoop Interview Questions

What is the difference between rdbms and hadoop?

0 Answers  

Where is the Mapper Output intermediate kay-value data stored ?

0 Answers  

What are the port numbers of namenode, job tracker and task tracker?

0 Answers  

Is map like a pointer?

0 Answers  

What does job conf class do?

0 Answers  

What is the communication channel between client and namenode/datanode?

0 Answers  

What is yarn in hadoop?

0 Answers  

when hadoop enter in safe mode?

0 Answers  

Is it necessary to know java to learn hadoop?

0 Answers  

What is HDFS Federation?

0 Answers  

what should be the ideal replication factor in hadoop?

0 Answers  

What is high availability in hadoop?

0 Answers  

For more Apache Hadoop Interview Questions Click Here
Categories