warn if deb sysctl vm.max_map_count setting fails for OpenVZ Patch by paul cannon, reviewed by brandonwilliams for CASSANDRA-3636
warn if deb sysctl vm.max_map_count setting fails for OpenVZ
Patch by paul cannon, reviewed by brandonwilliams for CASSANDRA-3636

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