How LinkedIn's colleague search actually works
Wednesday, March 09, 2011
2:02 PM
How LinkedIn's colleague search actually works
Periodically, a Hadoop job is run to identify potential friends. 
(This is what you are writing for assignment 4)
Output is stored to a Voldemort datastore. 
A web service accesses the datastore in read-only mode. 
Some notes: 
Data changes slowly, so the Hadoop job only has to be done once/day or less. 
The Voldemort datastore is read-only once the job is done. 
So we don't need the C in CAP, because there are no consistency issues!
So Voldemort, in class AP, suffices. 