Practical MapReduce

Practical MapReduce
http://www.jco.or.kr/conference/data/10th/Merlin-4.zip
제 10회 한국자바개발자 컨퍼런스에서 Google에서 일하시는 최영님이 발표하신 자료입니다.

Ice Breaking
Overview
What is MapReduce?
Motivation
MapReduce Provides
Programming Model
Count word Example
Google Web Search Example
PageRank: pages-> (url, score) list
Indexing: scored pages -> (query, url) list
Running MapReduce
As a result ... Google search!
How to use Map Reduce?
Run binary Via C++
Load Binary via Java or Some Language
Use Sawzall Script
Sawzall Exmaple
Let's make life easy
What's next with MapReduce?
Locality
Fault tolerance
Optimizations
MapReduce Conclusions