From Brian Bockelman: Add more clusters to the TTreeCache buffer until fBufferMinSize is hit to avoid severely underfilled buffer when a low number of branches is selected/used.
From Brian Bockelman:
Add more clusters to the TTreeCache buffer until fBufferMinSize is hit to avoid severely underfilled buffer when
a low number of branches is selected/used.


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@37955 27541ba8-7e3a-0410-8455-c3a389f83636

smarinac/root,veprbl/root,thomaskeck/root,evgeny-boger/root,olifre/root,BerserkerTroll/root,jrtomps/root,root-mirror/root,nilqed/root,agarciamontoro/root,veprbl/root,jrtomps/root,veprbl/root,dfunke/root,Duraznos/root,davidlt/root,vukasinmilosevic/root,Y--/root,mattkretz/root,beniz/root,smarinac/root,root-mirror/root,simonpf/root,0x0all/ROOT,jrtomps/root,georgtroska/root,simonpf/root,ffurano/root5,omazapa/root-old,lgiommi/root,Dr15Jones/root,lgiommi/root,evgeny-boger/root,omazapa/root,bbockelm/root,smarinac/root,mkret2/root,nilqed/root,simonpf/root,gbitzes/root,bbockelm/root,mkret2/root,zzxuanyuan/root,krafczyk/root,olifre/root,strykejern/TTreeReader,cxx-hep/root-cern,CristinaCristescu/root,Y--/root,georgtroska/root,mattkretz/root,lgiommi/root,evgeny-boger/root,pspe/root,veprbl/root,sawenzel/root,karies/root,olifre/root,simonpf/root,sbinet/cxx-root,nilqed/root,dfunke/root,esakellari/my_root_for_test,dfunke/root,abhinavmoudgil95/root,abhinavmoudgil95/root,arch1tect0r/root,esakellari/root,sirinath/root,abhinavmoudgil95/root,zzxuanyuan/root-compressor-dummy,satyarth934/root,zzxuanyuan/root-compressor-dummy,root-mirror/root,satyarth934/root,gganis/root,agarciamontoro/root,krafczyk/root,root-mirror/root,abhinavmoudgil95/root,ffurano/root5,mkret2/root,cxx-hep/root-cern,davidlt/root,sbinet/cxx-root,arch1tect0r/root,esakellari/root,omazapa/root,dfunke/root,mkret2/root,olifre/root,krafczyk/root,mkret2/root,mhuwiler/rootauto,Y--/root,perovic/root,omazapa/root,smarinac/root,karies/root,esakellari/root,zzxuanyuan/root,omazapa/root,CristinaCristescu/root,arch1tect0r/root,omazapa/root-old,sbinet/cxx-root,dfunke/root,beniz/root,kirbyherm/root-r-tools,alexschlueter/cern-root,georgtroska/root,esakellari/my_root_for_test,perovic/root,davidlt/root,thomaskeck/root,krafczyk/root,Duraznos/root,mattkretz/root,alexschlueter/cern-root,agarciamontoro/root,gganis/root,buuck/root,mattkretz/root,bbockelm/root,simonpf/root,Y--/root,evgeny-boger/root,omazapa/root,zzxuanyuan/root-compressor-dummy,gganis/root,agarciamontoro/root,Duraznos/root,pspe/root,zzxuanyuan/root,BerserkerTroll/root,thomaskeck/root,CristinaCristescu/root,bbockelm/root,root-mirror/root,pspe/root,0x0all/ROOT,kirbyherm/root-r-tools,mkret2/root,alexschlueter/cern-root,mhuwiler/rootauto,dfunke/root,jrtomps/root,root-mirror/root,perovic/root,Y--/root,buuck/root,olifre/root,beniz/root,zzxuanyuan/root-compressor-dummy,sirinath/root,BerserkerTroll/root,mhuwiler/rootauto,buuck/root,lgiommi/root,jrtomps/root,dfunke/root,pspe/root,thomaskeck/root,bbockelm/root,simonpf/root,omazapa/root-old,sirinath/root,esakellari/my_root_for_test,zzxuanyuan/root,satyarth934/root,omazapa/root,agarciamontoro/root,dfunke/root,nilqed/root,zzxuanyuan/root,smarinac/root,sawenzel/root,smarinac/root,karies/root,satyarth934/root,sirinath/root,Y--/root,gbitzes/root,sawenzel/root,sawenzel/root,CristinaCristescu/root,0x0all/ROOT,tc3t/qoot,mkret2/root,agarciamontoro/root,krafczyk/root,pspe/root,krafczyk/root,georgtroska/root,simonpf/root,evgeny-boger/root,perovic/root,mkret2/root,bbockelm/root,gganis/root,mattkretz/root,mhuwiler/rootauto,thomaskeck/root,strykejern/TTreeReader,karies/root,vukasinmilosevic/root,strykejern/TTreeReader,vukasinmilosevic/root,esakellari/root,ffurano/root5,nilqed/root,thomaskeck/root,mattkretz/root,nilqed/root,perovic/root,sbinet/cxx-root,tc3t/qoot,nilqed/root,omazapa/root-old,beniz/root,vukasinmilosevic/root,omazapa/root,esakellari/my_root_for_test,sawenzel/root,vukasinmilosevic/root,arch1tect0r/root,lgiommi/root,Duraznos/root,cxx-hep/root-cern,gbitzes/root,arch1tect0r/root,omazapa/root,buuck/root,arch1tect0r/root,thomaskeck/root,lgiommi/root,jrtomps/root,perovic/root,gganis/root,esakellari/my_root_for_test,evgeny-boger/root,esakellari/root,satyarth934/root,BerserkerTroll/root,BerserkerTroll/root,0x0all/ROOT,veprbl/root,buuck/root,0x0all/ROOT,mhuwiler/rootauto,sirinath/root,kirbyherm/root-r-tools,agarciamontoro/root,vukasinmilosevic/root,mattkretz/root,veprbl/root,Dr15Jones/root,abhinavmoudgil95/root,0x0all/ROOT,ffurano/root5,smarinac/root,perovic/root,tc3t/qoot,CristinaCristescu/root,Y--/root,Dr15Jones/root,perovic/root,veprbl/root,arch1tect0r/root,georgtroska/root,root-mirror/root,tc3t/qoot,simonpf/root,sbinet/cxx-root,mattkretz/root,arch1tect0r/root,zzxuanyuan/root,sirinath/root,zzxuanyuan/root,olifre/root,CristinaCristescu/root,arch1tect0r/root,veprbl/root,cxx-hep/root-cern,sbinet/cxx-root,ffurano/root5,zzxuanyuan/root-compressor-dummy,esakellari/root,strykejern/TTreeReader,root-mirror/root,alexschlueter/cern-root,gganis/root,omazapa/root-old,Y--/root,omazapa/root,zzxuanyuan/root-compressor-dummy,evgeny-boger/root,cxx-hep/root-cern,smarinac/root,mhuwiler/rootauto,Duraznos/root,mattkretz/root,ffurano/root5,agarciamontoro/root,zzxuanyuan/root-compressor-dummy,bbockelm/root,karies/root,mattkretz/root,esakellari/my_root_for_test,davidlt/root,sawenzel/root,perovic/root,gbitzes/root,gbitzes/root,kirbyherm/root-r-tools,CristinaCristescu/root,karies/root,jrtomps/root,esakellari/root,BerserkerTroll/root,mkret2/root,abhinavmoudgil95/root,sirinath/root,nilqed/root,krafczyk/root,Y--/root,karies/root,Dr15Jones/root,vukasinmilosevic/root,esakellari/my_root_for_test,sawenzel/root,Duraznos/root,omazapa/root-old,Dr15Jones/root,BerserkerTroll/root,0x0all/ROOT,gganis/root,dfunke/root,sawenzel/root,cxx-hep/root-cern,thomaskeck/root,lgiommi/root,CristinaCristescu/root,satyarth934/root,vukasinmilosevic/root,beniz/root,omazapa/root-old,strykejern/TTreeReader,omazapa/root-old,zzxuanyuan/root,omazapa/root-old,krafczyk/root,perovic/root,lgiommi/root,Duraznos/root,omazapa/root,abhinavmoudgil95/root,cxx-hep/root-cern,esakellari/root,beniz/root,olifre/root,ffurano/root5,0x0all/ROOT,arch1tect0r/root,satyarth934/root,zzxuanyuan/root-compressor-dummy,smarinac/root,agarciamontoro/root,olifre/root,lgiommi/root,sirinath/root,mhuwiler/rootauto,gganis/root,gbitzes/root,veprbl/root,beniz/root,tc3t/qoot,mhuwiler/rootauto,davidlt/root,karies/root,buuck/root,veprbl/root,zzxuanyuan/root-compressor-dummy,sbinet/cxx-root,lgiommi/root,nilqed/root,sirinath/root,omazapa/root-old,beniz/root,jrtomps/root,davidlt/root,arch1tect0r/root,Duraznos/root,zzxuanyuan/root,sbinet/cxx-root,davidlt/root,lgiommi/root,vukasinmilosevic/root,abhinavmoudgil95/root,bbockelm/root,gganis/root,esakellari/root,zzxuanyuan/root-compressor-dummy,beniz/root,sawenzel/root,kirbyherm/root-r-tools,krafczyk/root,sirinath/root,zzxuanyuan/root,CristinaCristescu/root,mhuwiler/rootauto,karies/root,pspe/root,beniz/root,alexschlueter/cern-root,gbitzes/root,olifre/root,alexschlueter/cern-root,buuck/root,Y--/root,evgeny-boger/root,olifre/root,pspe/root,gbitzes/root,pspe/root,alexschlueter/cern-root,gganis/root,tc3t/qoot,pspe/root,evgeny-boger/root,evgeny-boger/root,jrtomps/root,buuck/root,gbitzes/root,satyarth934/root,satyarth934/root,bbockelm/root,kirbyherm/root-r-tools,esakellari/my_root_for_test,Dr15Jones/root,georgtroska/root,abhinavmoudgil95/root,dfunke/root,tc3t/qoot,simonpf/root,abhinavmoudgil95/root,georgtroska/root,dfunke/root,cxx-hep/root-cern,davidlt/root,satyarth934/root,mhuwiler/rootauto,Duraznos/root,Dr15Jones/root,sbinet/cxx-root,karies/root,Duraznos/root,agarciamontoro/root,georgtroska/root,thomaskeck/root,mkret2/root,thomaskeck/root,tc3t/qoot,bbockelm/root,strykejern/TTreeReader,krafczyk/root,CristinaCristescu/root,bbockelm/root,georgtroska/root,buuck/root,kirbyherm/root-r-tools,omazapa/root,agarciamontoro/root,BerserkerTroll/root,BerserkerTroll/root,buuck/root,strykejern/TTreeReader,gganis/root,tc3t/qoot,esakellari/root,davidlt/root,vukasinmilosevic/root,CristinaCristescu/root,root-mirror/root,zzxuanyuan/root,nilqed/root,jrtomps/root,georgtroska/root,zzxuanyuan/root,mkret2/root,sawenzel/root,perovic/root,vukasinmilosevic/root,sawenzel/root,simonpf/root,omazapa/root-old,tc3t/qoot,gbitzes/root,zzxuanyuan/root-compressor-dummy,veprbl/root,georgtroska/root,mhuwiler/rootauto,Y--/root,evgeny-boger/root,krafczyk/root,simonpf/root,pspe/root,nilqed/root,smarinac/root,davidlt/root,esakellari/my_root_for_test,sbinet/cxx-root,root-mirror/root,sbinet/cxx-root,BerserkerTroll/root,jrtomps/root,esakellari/my_root_for_test,abhinavmoudgil95/root,sirinath/root,root-mirror/root,esakellari/root,buuck/root,mattkretz/root,pspe/root,BerserkerTroll/root,0x0all/ROOT,olifre/root,Duraznos/root,karies/root,beniz/root,satyarth934/root,davidlt/root,gbitzes/root