ninja document tool incompatibility due to -XX:+PerfDisableSharedMem
ninja document tool incompatibility due to -XX:+PerfDisableSharedMem

partial backport of CASSANDRA-9483

josh-mckenzie/cassandra,scylladb/scylla-tools-java,michaelsembwever/cassandra,modempachev4/kassandra,Instagram/cassandra,ptnapoleon/cassandra,adelapena/cassandra,szhou1234/cassandra,cooldoger/cassandra,jbellis/cassandra,tommystendahl/cassandra,carlyeks/cassandra,mambocab/cassandra,DikangGu/cassandra,sedulam/CASSANDRA-12201,Jaumo/cassandra,thelastpickle/cassandra,ifesdjeen/cassandra,beobal/cassandra,vramaswamy456/cassandra,scaledata/cassandra,spodkowinski/cassandra,aweisberg/cassandra,josh-mckenzie/cassandra,snazy/cassandra,jrwest/cassandra,exoscale/cassandra,bdeggleston/cassandra,aweisberg/cassandra,jeromatron/cassandra,cooldoger/cassandra,yhnishi/cassandra,pcmanus/cassandra,tjake/cassandra,newrelic-forks/cassandra,tjake/cassandra,hhorii/cassandra,ollie314/cassandra,cooldoger/cassandra,yukim/cassandra,pthomaid/cassandra,vaibhi9/cassandra,aweisberg/cassandra,tommystendahl/cassandra,AtwooTM/cassandra,adejanovski/cassandra,newrelic-forks/cassandra,weideng1/cassandra,tjake/cassandra,hengxin/cassandra,stef1927/cassandra,kgreav/cassandra,mambocab/cassandra,mkjellman/cassandra,mkjellman/cassandra,yhnishi/cassandra,vaibhi9/cassandra,bcoverston/cassandra,jeffjirsa/cassandra,vaibhi9/cassandra,jeromatron/cassandra,Imran-C/cassandra,josh-mckenzie/cassandra,DikangGu/cassandra,beobal/cassandra,blambov/cassandra,jasonstack/cassandra,juiceblender/cassandra,newrelic-forks/cassandra,ollie314/cassandra,jasobrown/cassandra,DikangGu/cassandra,yangzhe1991/cassandra,RyanMagnusson/cassandra,weideng1/cassandra,michaelsembwever/cassandra,whitepages/cassandra,bdeggleston/cassandra,phact/cassandra,Jollyplum/cassandra,hhorii/cassandra,instaclustr/cassandra,joesiewert/cassandra,scylladb/scylla-tools-java,whitepages/cassandra,aweisberg/cassandra,Jollyplum/cassandra,sharvanath/cassandra,blerer/cassandra,szhou1234/cassandra,adejanovski/cassandra,kgreav/cassandra,spodkowinski/cassandra,mkjellman/cassandra,jasonwee/cassandra,jasobrown/cassandra,pauloricardomg/cassandra,nitsanw/cassandra,beobal/cassandra,snazy/cassandra,juiceblender/cassandra,pauloricardomg/cassandra,bmel/cassandra,vramaswamy456/cassandra,apache/cassandra,iamaleksey/cassandra,jasobrown/cassandra,blerer/cassandra,bdeggleston/cassandra,adelapena/cassandra,thelastpickle/cassandra,bmel/cassandra,ollie314/cassandra,tjake/cassandra,tongjixianing/projects,mkjellman/cassandra,instaclustr/cassandra,yangzhe1991/cassandra,weideng1/cassandra,bcoverston/cassandra,chbatey/cassandra-1,aboudreault/cassandra,whitepages/cassandra,yukim/cassandra,ifesdjeen/cassandra,snazy/cassandra,driftx/cassandra,pthomaid/cassandra,aboudreault/cassandra,josh-mckenzie/cassandra,apache/cassandra,krummas/cassandra,carlyeks/cassandra,kgreav/cassandra,yukim/cassandra,nitsanw/cassandra,jbellis/cassandra,spodkowinski/cassandra,strapdata/cassandra,exoscale/cassandra,WorksApplications/cassandra,joesiewert/cassandra,RyanMagnusson/cassandra,blambov/cassandra,iamaleksey/cassandra,hhorii/cassandra,chbatey/cassandra-1,michaelsembwever/cassandra,bcoverston/cassandra,WorksApplications/cassandra,krummas/cassandra,jasobrown/cassandra,krummas/cassandra,scylladb/scylla-tools-java,tommystendahl/cassandra,bmel/cassandra,clohfink/cassandra,ben-manes/cassandra,juiceblender/cassandra,mshuler/cassandra,adelapena/cassandra,jasonstack/cassandra,bcoverston/cassandra,hengxin/cassandra,knifewine/cassandra,Instagram/cassandra,hengxin/cassandra,jrwest/cassandra,wreda/cassandra,christian-esken/cassandra,sharvanath/cassandra,ptnapoleon/cassandra,driftx/cassandra,ifesdjeen/cassandra,modempachev4/kassandra,jrwest/cassandra,tongjixianing/projects,Jollyplum/cassandra,thelastpickle/cassandra,strapdata/cassandra,blambov/cassandra,stef1927/cassandra,jasonstack/cassandra,Instagram/cassandra,blambov/cassandra,jrwest/cassandra,Imran-C/cassandra,Instagram/cassandra,adejanovski/cassandra,mshuler/cassandra,stef1927/cassandra,modempachev4/kassandra,cooldoger/cassandra,scylladb/scylla-tools-java,jasonwee/cassandra,WorksApplications/cassandra,aureagle/cassandra,clohfink/cassandra,blerer/cassandra,clohfink/cassandra,knifewine/cassandra,iamaleksey/cassandra,belliottsmith/cassandra,christian-esken/cassandra,phact/cassandra,krummas/cassandra,aureagle/cassandra,pauloricardomg/cassandra,Imran-C/cassandra,exoscale/cassandra,driftx/cassandra,jasonwee/cassandra,jeffjirsa/cassandra,jeffjirsa/cassandra,carlyeks/cassandra,strapdata/cassandra,mike-tr-adamson/cassandra,yangzhe1991/cassandra,AtwooTM/cassandra,sedulam/CASSANDRA-12201,belliottsmith/cassandra,phact/cassandra,christian-esken/cassandra,clohfink/cassandra,ben-manes/cassandra,instaclustr/cassandra,szhou1234/cassandra,thobbs/cassandra,mshuler/cassandra,ptnapoleon/cassandra,yukim/cassandra,jbellis/cassandra,RyanMagnusson/cassandra,vramaswamy456/cassandra,thobbs/cassandra,yhnishi/cassandra,knifewine/cassandra,mike-tr-adamson/cassandra,mike-tr-adamson/cassandra,snazy/cassandra,beobal/cassandra,thelastpickle/cassandra,pauloricardomg/cassandra,strapdata/cassandra,blerer/cassandra,pthomaid/cassandra,belliottsmith/cassandra,thobbs/cassandra,nitsanw/cassandra,instaclustr/cassandra,jeffjirsa/cassandra,driftx/cassandra,chbatey/cassandra-1,wreda/cassandra,michaelsembwever/cassandra,sharvanath/cassandra,Jaumo/cassandra,iamaleksey/cassandra,sedulam/CASSANDRA-12201,aboudreault/cassandra,spodkowinski/cassandra,pcmanus/cassandra,szhou1234/cassandra,belliottsmith/cassandra,stef1927/cassandra,AtwooTM/cassandra,juiceblender/cassandra,aureagle/cassandra,jeromatron/cassandra,tommystendahl/cassandra,scaledata/cassandra,adelapena/cassandra,ifesdjeen/cassandra,Jaumo/cassandra,kgreav/cassandra,apache/cassandra,mambocab/cassandra,WorksApplications/cassandra,scaledata/cassandra,pcmanus/cassandra,joesiewert/cassandra,wreda/cassandra,mike-tr-adamson/cassandra,bdeggleston/cassandra,mshuler/cassandra,tongjixianing/projects,ben-manes/cassandra,apache/cassandra