Optimize multiget in stress.py.  Patch by Nate McCall, reviewed by brandonwilliams for CASSANDRA-1520
Optimize multiget in stress.py.  Patch by Nate McCall, reviewed by brandonwilliams for CASSANDRA-1520

git-svn-id: af0234e1aff5c580ad966c5a1be7e5402979d927@998730 13f79535-47bb-0310-9956-ffa450edef68

sharvanath/cassandra,cooldoger/cassandra,strapdata/cassandra,nlalevee/cassandra,yukim/cassandra,project-zerus/cassandra,aweisberg/cassandra,michaelmior/cassandra,rogerchina/cassandra,bcoverston/cassandra,strapdata/cassandra,likaiwalkman/cassandra,snazy/cassandra,jeffjirsa/cassandra,caidongyun/cassandra,Jaumo/cassandra,Stratio/cassandra,rackerlabs/cloudmetrics-cassandra,sedulam/CASSANDRA-12201,carlyeks/cassandra,blambov/cassandra,vramaswamy456/cassandra,DICL/cassandra,dongjiaqiang/cassandra,tongjixianing/projects,ptuckey/cassandra,hhorii/cassandra,vaibhi9/cassandra,thelastpickle/cassandra,scylladb/scylla-tools-java,pbailis/cassandra-pbs,fengshao0907/Cassandra-Research,modempachev4/kassandra,kgreav/cassandra,taigetco/cassandra_read,jasonwee/cassandra,mgmuscari/cassandra-cdh4,fengshao0907/cassandra-1,ifesdjeen/cassandra,yukim/cassandra,sivikt/cassandra,instaclustr/cassandra,HidemotoNakada/cassandra-udf,fengshao0907/Cassandra-Research,qinjin/mdtc-cassandra,stef1927/cassandra,hengxin/cassandra,yanbit/cassandra,MasahikoSawada/cassandra,krummas/cassandra,mklew/mmp,mt0803/cassandra,tommystendahl/cassandra,newrelic-forks/cassandra,bmel/cassandra,jbellis/cassandra,jsanda/cassandra,matthewtt/cassandra_read,aweisberg/cassandra,mheffner/cassandra-1,HidemotoNakada/cassandra-udf,exoscale/cassandra,scylladb/scylla-tools-java,bmel/cassandra,pauloricardomg/cassandra,shookari/cassandra,taigetco/cassandra_read,dprguiuc/Cassandra-Wasef,lalithsuresh/cassandra-c3,snazy/cassandra,knifewine/cassandra,vramaswamy456/cassandra,pbailis/cassandra-pbs,stuhood/cassandra-old,jkni/cassandra,helena/cassandra,blerer/cassandra,scaledata/cassandra,joesiewert/cassandra,mike-tr-adamson/cassandra,mashuai/Cassandra-Research,yangzhe1991/cassandra,leomrocha/cassandra,pallavi510/cassandra,mt0803/cassandra,ibmsoe/cassandra,szhou1234/cassandra,weipinghe/cassandra,jkni/cassandra,ejankan/cassandra,MasahikoSawada/cassandra,bcoverston/apache-hosted-cassandra,ptuckey/cassandra,rdio/cassandra,mt0803/cassandra,whitepages/cassandra,dprguiuc/Cassandra-Wasef,jasonwee/cassandra,ben-manes/cassandra,ifesdjeen/cassandra,spodkowinski/cassandra,michaelmior/cassandra,JeremiahDJordan/cassandra,bdeggleston/cassandra,ben-manes/cassandra,josh-mckenzie/cassandra,ollie314/cassandra,guard163/cassandra,DikangGu/cassandra,blambov/cassandra,rogerchina/cassandra,beobal/cassandra,jasonstack/cassandra,nvoron23/cassandra,a-buck/cassandra,rackerlabs/cloudmetrics-cassandra,apache/cassandra,DavidHerzogTU-Berlin/cassandraToRun,GabrielNicolasAvellaneda/cassandra,jbellis/cassandra,szhou1234/cassandra,mshuler/cassandra,pcn/cassandra-1,GabrielNicolasAvellaneda/cassandra,sedulam/CASSANDRA-12201,stef1927/cassandra,RyanMagnusson/cassandra,pofallon/cassandra,jeffjirsa/cassandra,helena/cassandra,helena/cassandra,jeromatron/cassandra,yanbit/cassandra,pofallon/cassandra,DICL/cassandra,heiko-braun/cassandra,miguel0afd/cassandra-cqlMod,adejanovski/cassandra,heiko-braun/cassandra,beobal/cassandra,pthomaid/cassandra,aboudreault/cassandra,weideng1/cassandra,ptnapoleon/cassandra,guanxi55nba/key-value-store,blerer/cassandra,sayanh/ViewMaintenanceCassandra,michaelmior/cassandra,thelastpickle/cassandra,chaordic/cassandra,yhnishi/cassandra,swps/cassandra,driftx/cassandra,thobbs/cassandra,tommystendahl/cassandra,mshuler/cassandra,ollie314/cassandra,nutbunnies/cassandra,DavidHerzogTU-Berlin/cassandra,sharvanath/cassandra,boneill42/cassandra,dongjiaqiang/cassandra,yhnishi/cassandra,josh-mckenzie/cassandra,spodkowinski/cassandra,mshuler/cassandra,yonglehou/cassandra,WorksApplications/cassandra,hengxin/cassandra,szhou1234/cassandra,Stratio/cassandra,cooldoger/cassandra,stef1927/cassandra,jasobrown/cassandra,LatencyUtils/cassandra-stress2,pcn/cassandra-1,snazy/cassandra,jasobrown/cassandra,instaclustr/cassandra,stuhood/cassandra-old,carlyeks/cassandra,wreda/cassandra,matthewtt/cassandra_read,mkjellman/cassandra,ibmsoe/cassandra,vaibhi9/cassandra,bcoverston/apache-hosted-cassandra,mheffner/cassandra-1,sivikt/cassandra,Imran-C/cassandra,clohfink/cassandra,sayanh/ViewMaintenanceSupport,cooldoger/cassandra,mike-tr-adamson/cassandra,adelapena/cassandra,guard163/cassandra,chbatey/cassandra-1,Stratio/stratio-cassandra,aureagle/cassandra,shawnkumar/cstargraph,miguel0afd/cassandra-cqlMod,jrwest/cassandra,heiko-braun/cassandra,darach/cassandra,knifewine/cassandra,bpupadhyaya/cassandra,macintoshio/cassandra,shawnkumar/cstargraph,dkua/cassandra,leomrocha/cassandra,sbtourist/cassandra,pkdevbox/cassandra,pauloricardomg/cassandra,sriki77/cassandra,xiongzheng/Cassandra-Research,darach/cassandra,guanxi55nba/db-improvement,kgreav/cassandra,mklew/mmp,sluk3r/cassandra,a-buck/cassandra,Jaumo/cassandra,leomrocha/cassandra,nlalevee/cassandra,yukim/cassandra,Instagram/cassandra,Bj0rnen/cassandra,Stratio/stratio-cassandra,Imran-C/cassandra,ibmsoe/cassandra,driftx/cassandra,bcoverston/cassandra,Imran-C/cassandra,adelapena/cassandra,jsanda/cassandra,RyanMagnusson/cassandra,nakomis/cassandra,swps/cassandra,fengshao0907/Cassandra-Research,jkni/cassandra,jasonwee/cassandra,yonglehou/cassandra,asias/cassandra,dkua/cassandra,pbailis/cassandra-pbs,instaclustr/cassandra,DavidHerzogTU-Berlin/cassandra,bpupadhyaya/cassandra,pkdevbox/cassandra,shookari/cassandra,jbellis/cassandra,AtwooTM/cassandra,aarushi12002/cassandra,jeffjirsa/cassandra,adelapena/cassandra,rackerlabs/cloudmetrics-cassandra,jasonstack/cassandra,regispl/cassandra,likaiwalkman/cassandra,emolsson/cassandra,jasobrown/cassandra,nlalevee/cassandra,iburmistrov/Cassandra,jeromatron/cassandra,project-zerus/cassandra,macintoshio/cassandra,whitepages/cassandra,spodkowinski/cassandra,segfault/apache_cassandra,pcmanus/cassandra,nvoron23/cassandra,taigetco/cassandra_read,apache/cassandra,qinjin/mdtc-cassandra,a-buck/cassandra,jsanda/cassandra,darach/cassandra,mkjellman/cassandra,Stratio/stratio-cassandra,rmarchei/cassandra,hhorii/cassandra,MasahikoSawada/cassandra,codefollower/Cassandra-Research,DavidHerzogTU-Berlin/cassandraToRun,thobbs/cassandra,blambov/cassandra,apache/cassandra,sivikt/cassandra,guanxi55nba/key-value-store,phact/cassandra,chbatey/cassandra-1,mkjellman/cassandra,pofallon/cassandra,gdusbabek/cassandra,sluk3r/cassandra,sharvanath/cassandra,jasobrown/cassandra,weipinghe/cassandra,qinjin/mdtc-cassandra,project-zerus/cassandra,sbtourist/cassandra,EnigmaCurry/cassandra,christian-esken/cassandra,pallavi510/cassandra,tongjixianing/projects,scylladb/scylla-tools-java,ejankan/cassandra,Stratio/stratio-cassandra,tjake/cassandra,DavidHerzogTU-Berlin/cassandra,josh-mckenzie/cassandra,mshuler/cassandra,dprguiuc/Cassandra-Wasef,pthomaid/cassandra,sayanh/ViewMaintenanceCassandra,chaordic/cassandra,scaledata/cassandra,iamaleksey/cassandra,guard163/cassandra,LatencyUtils/cassandra-stress2,nvoron23/cassandra,xiongzheng/Cassandra-Research,rdio/cassandra,likaiwalkman/cassandra,sayanh/ViewMaintenanceCassandra,guanxi55nba/key-value-store,aarushi12002/cassandra,regispl/cassandra,pauloricardomg/cassandra,kangkot/stratio-cassandra,aureagle/cassandra,vramaswamy456/cassandra,yukim/cassandra,strapdata/cassandra,stef1927/cassandra,yhnishi/cassandra,nitsanw/cassandra,boneill42/cassandra,driftx/cassandra,rdio/cassandra,mashuai/Cassandra-Research,spodkowinski/cassandra,yangzhe1991/cassandra,JeremiahDJordan/cassandra,gdusbabek/cassandra,clohfink/cassandra,chbatey/cassandra-1,miguel0afd/cassandra-cqlMod,AtwooTM/cassandra,ejankan/cassandra,iburmistrov/Cassandra,driftx/cassandra,mike-tr-adamson/cassandra,juiceblender/cassandra,phact/cassandra,weipinghe/cassandra,Stratio/stratio-cassandra,stuhood/cassandra-old,juiceblender/cassandra,Instagram/cassandra,GabrielNicolasAvellaneda/cassandra,gdusbabek/cassandra,Jollyplum/cassandra,nutbunnies/cassandra,ollie314/cassandra,pkdevbox/cassandra,tongjixianing/projects,blerer/cassandra,cooldoger/cassandra,kgreav/cassandra,mambocab/cassandra,bpupadhyaya/cassandra,adejanovski/cassandra,hengxin/cassandra,sayanh/ViewMaintenanceSupport,JeremiahDJordan/cassandra,clohfink/cassandra,Stratio/cassandra,bdeggleston/cassandra,RyanMagnusson/cassandra,carlyeks/cassandra,pcmanus/cassandra,regispl/cassandra,jasonstack/cassandra,segfault/apache_cassandra,codefollower/Cassandra-Research,belliottsmith/cassandra,asias/cassandra,newrelic-forks/cassandra,iburmistrov/Cassandra,sriki77/cassandra,aureagle/cassandra,thelastpickle/cassandra,weideng1/cassandra,scylladb/scylla-tools-java,beobal/cassandra,caidongyun/cassandra,Instagram/cassandra,newrelic-forks/cassandra,yonglehou/cassandra,emolsson/cassandra,guanxi55nba/db-improvement,tommystendahl/cassandra,jeromatron/cassandra,adelapena/cassandra,belliottsmith/cassandra,WorksApplications/cassandra,Bj0rnen/cassandra,rmarchei/cassandra,bmel/cassandra,sbtourist/cassandra,phact/cassandra,exoscale/cassandra,ifesdjeen/cassandra,DICL/cassandra,scaledata/cassandra,Jollyplum/cassandra,mgmuscari/cassandra-cdh4,bdeggleston/cassandra,jrwest/cassandra,swps/cassandra,tjake/cassandra,tjake/cassandra,michaelsembwever/cassandra,nakomis/cassandra,ptuckey/cassandra,krummas/cassandra,mheffner/cassandra-1,lalithsuresh/cassandra-c3,ptnapoleon/cassandra,fengshao0907/cassandra-1,aboudreault/cassandra,Instagram/cassandra,Jollyplum/cassandra,modempachev4/kassandra,thobbs/cassandra,ben-manes/cassandra,whitepages/cassandra,yangzhe1991/cassandra,belliottsmith/cassandra,thelastpickle/cassandra,boneill42/cassandra,DavidHerzogTU-Berlin/cassandraToRun,fengshao0907/cassandra-1,kangkot/stratio-cassandra,sriki77/cassandra,kgreav/cassandra,Bj0rnen/cassandra,michaelsembwever/cassandra,nitsanw/cassandra,christian-esken/cassandra,josh-mckenzie/cassandra,pcn/cassandra-1,bdeggleston/cassandra,mambocab/cassandra,weideng1/cassandra,bcoverston/cassandra,blerer/cassandra,mklew/mmp,knifewine/cassandra,yanbit/cassandra,pauloricardomg/cassandra,rmarchei/cassandra,DikangGu/cassandra,iamaleksey/cassandra,juiceblender/cassandra,bcoverston/cassandra,aweisberg/cassandra,AtwooTM/cassandra,krummas/cassandra,modempachev4/kassandra,jrwest/cassandra,sluk3r/cassandra,WorksApplications/cassandra,ptnapoleon/cassandra,belliottsmith/cassandra,ifesdjeen/cassandra,pcmanus/cassandra,asias/cassandra,iamaleksey/cassandra,joesiewert/cassandra,blambov/cassandra,mkjellman/cassandra,wreda/cassandra,instaclustr/cassandra,codefollower/Cassandra-Research,chaordic/cassandra,bcoverston/apache-hosted-cassandra,iamaleksey/cassandra,tjake/cassandra,sedulam/CASSANDRA-12201,jeffjirsa/cassandra,WorksApplications/cassandra,joesiewert/cassandra,aboudreault/cassandra,aweisberg/cassandra,dongjiaqiang/cassandra,macintoshio/cassandra,juiceblender/cassandra,jrwest/cassandra,LatencyUtils/cassandra-stress2,lalithsuresh/cassandra-c3,beobal/cassandra,segfault/apache_cassandra,kangkot/stratio-cassandra,apache/cassandra,EnigmaCurry/cassandra,exoscale/cassandra,HidemotoNakada/cassandra-udf,EnigmaCurry/cassandra,mambocab/cassandra,pallavi510/cassandra,christian-esken/cassandra,mashuai/Cassandra-Research,hhorii/cassandra,strapdata/cassandra,stuhood/cassandra-old,matthewtt/cassandra_read,mike-tr-adamson/cassandra,shawnkumar/cstargraph,michaelsembwever/cassandra,michaelsembwever/cassandra,clohfink/cassandra,mgmuscari/cassandra-cdh4,caidongyun/cassandra,nakomis/cassandra,xiongzheng/Cassandra-Research,vaibhi9/cassandra,aarushi12002/cassandra,snazy/cassandra,krummas/cassandra,emolsson/cassandra,kangkot/stratio-cassandra,Jaumo/cassandra,kangkot/stratio-cassandra,nutbunnies/cassandra,nitsanw/cassandra,dkua/cassandra,wreda/cassandra,szhou1234/cassandra,rogerchina/cassandra,adejanovski/cassandra,shookari/cassandra,guanxi55nba/db-improvement,tommystendahl/cassandra,DikangGu/cassandra,pthomaid/cassandra