We are aware of at least 500 production use cases. Howeve,r since it is is open source software, there are a lot more that we don't know about. You can find so

We are aware of at least 500 production use cases. Howeve,r since it is is open source software, there are a lot more that we don't know about. You can find some public ones here: http://spark-summit.org/east/2015/agenda http://spark-summit.org/east/2015/agenda http://spark-summit.org/2014 http://spark-summit.org/2014 https://cwiki.apache.org/confluence/display/SPARK/Powered+By+Spark https://cwiki.apache.org/confluence/display/SPARK/Powered+By...