I'm often asking candidates to explain : - how to compute the average values of a set? - then, why adding/not adding a combiner? - how to extract set of distinct values?
And, if the candidate is more a sysadmin than a developer, some questions about network topology, disk configurations, (I/O kernel scheduling, failure management, etc. On 12 February 2015 at 18:46, Russell Jurney <[email protected]> wrote: > Diagram/code a mapreduce join. > > > On Thursday, February 12, 2015, Krish Donald <[email protected]> wrote: > >> Hi, >> >> Does anybody has interview questions which was asked during their >> interview on hadoop? >> >> I found few on internet but if somebody who has attended the interview >> can give us an idea , that will be great. >> >> Thanks >> Krish >> > > > -- > Russell Jurney twitter.com/rjurney [email protected] datasyndrome. > com > -- *Adrien Mogenet* Head of Backend/Infrastructure [email protected] (+33)6.59.16.64.22 http://www.contentsquare.com 4, avenue Franklin D. Roosevelt - 75008 Paris
