Use hashset to avoid node iteration
Use hashset to avoid node iteration

rsandell/jenkins,jenkinsci/jenkins,jenkinsci/jenkins,MarkEWaite/jenkins,viqueen/jenkins,v1v/jenkins,daniel-beck/jenkins,rsandell/jenkins,damianszczepanik/jenkins,viqueen/jenkins,rsandell/jenkins,ikedam/jenkins,rsandell/jenkins,v1v/jenkins,pjanouse/jenkins,v1v/jenkins,damianszczepanik/jenkins,daniel-beck/jenkins,ikedam/jenkins,rsandell/jenkins,ikedam/jenkins,damianszczepanik/jenkins,jenkinsci/jenkins,jenkinsci/jenkins,damianszczepanik/jenkins,damianszczepanik/jenkins,rsandell/jenkins,daniel-beck/jenkins,MarkEWaite/jenkins,MarkEWaite/jenkins,pjanouse/jenkins,pjanouse/jenkins,daniel-beck/jenkins,pjanouse/jenkins,jenkinsci/jenkins,MarkEWaite/jenkins,ikedam/jenkins,v1v/jenkins,viqueen/jenkins,v1v/jenkins,damianszczepanik/jenkins,viqueen/jenkins,jenkinsci/jenkins,viqueen/jenkins,daniel-beck/jenkins,MarkEWaite/jenkins,rsandell/jenkins,MarkEWaite/jenkins,ikedam/jenkins,rsandell/jenkins,MarkEWaite/jenkins,ikedam/jenkins,viqueen/jenkins,ikedam/jenkins,damianszczepanik/jenkins,damianszczepanik/jenkins,v1v/jenkins,viqueen/jenkins,daniel-beck/jenkins,v1v/jenkins,daniel-beck/jenkins,jenkinsci/jenkins,jenkinsci/jenkins,ikedam/jenkins,pjanouse/jenkins,daniel-beck/jenkins,MarkEWaite/jenkins,pjanouse/jenkins,pjanouse/jenkins