Merge pull request #47555 from JoshSalomon/wip-prim-balance-score

mon, osd: Adding read (aka workload, primary) balance score

diff --cc src/mgr/ActivePyModules.cc
Simple merge

diff --cc src/mon/MonCommands.h
Simple merge

diff --cc src/mon/OSDMonitor.cc
Simple merge

diff --cc src/vstart.sh
Simple merge