Hadoop at Spotify

https://wiki.apache.org/hadoop/PoweredBy#S
http://codesfusion.blogspot.com/2013/11/hadoop-2x-core-hdfs-and-yarn-components.html
http://hortonworks.com/press-releases/hortonworks-is-music-to-spotifys-ears/
https://github.com/spotify
http://labs.spotify.com/

Spotify’s Hadoop infrastructure, believed to be Europe’s largest commercially used cluster, with 690-nodes...

Apache Hadoop In Theory And Practice from Adam Kawa

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