About yarn, there is work done already, check this out: https://issues.apache.org/jira/browse/S4-25
About the nosql bit, I'm not entirely sure what you mean with nosql support. Do you want to write to HBase from a PE for example? -Flavio -----Original Message----- From: Sky Zhao [mailto:sky.z...@ericsson.com] Sent: 06 September 2013 11:42 To: s4-dev@incubator.apache.org Subject: yarn and nosql support Hi whether should add yarn support and nosql or other storage system support, has whole solution and integrate old hadoop system.