Rolling your own makes sense only to a point; anything much more operationally complex than "an rsyslog collector" rapidly crosses the boundary of "I don't care

Rolling your own makes sense only to a point; anything much more operationally complex than "an rsyslog collector" rapidly crosses the boundary of "I don't care what the hardware costs me, it's dwarfed by the costs of engineering time / loss of focus." Unless logging is the core of what your company does, I'd suggest not reinventing this particular wheel; those stories never end well.