DB設計でこだわりたい三つの要素This document discusses Spark, an open-source cluster computing framework. It begins with an introduction to distributed computing problems related to processing large datasets. It then provides an overview of Spark, including its core abstraction of resilient distributed datasets (RDDs) and how Spark builds on the MapReduce model. The rest of the document demonstrates Spark concepts like transfor
ソーシャルゲームDBの�危機回避
http://blog.inouetakuya.info/entry/2014/12/11/180106
Mobage を支える Ruby の技術 ~ 複数DB編 ~
