add clustering to node benchmark, to utilize more cores
add clustering to node benchmark, to utilize more cores

ericmoritz/wsdemo,ericmoritz/wsdemo,beni55/wsdemo,ericmoritz/wsdemo,ericmoritz/wsdemo,ericmoritz/wsdemo,beni55/wsdemo,beni55/wsdemo,beni55/wsdemo,beni55/wsdemo,beni55/wsdemo,ericmoritz/wsdemo,beni55/wsdemo,ericmoritz/wsdemo,ericmoritz/wsdemo