add -XX:SurvivorRatio=128 -XX:MaxTenuringThreshold=0 to default gc options.  patch by Brandon Williams; reviewed by jbellis for CASSANDRA-504
add -XX:SurvivorRatio=128 -XX:MaxTenuringThreshold=0 to default gc options.  patch by Brandon Williams; reviewed by jbellis for CASSANDRA-504

git-svn-id: 1e8683751772dd0ef52a45d586103b4a82d616ff@828139 13f79535-47bb-0310-9956-ffa450edef68

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