Tuning != Scaling Tuning == getting the most out of your hardware Scaling == my perfectly tuned node, with the lowest-latency/mostest IOPS IO subsystem, and h

Tuning != Scaling Tuning == getting the most out of your hardware Scaling == my perfectly tuned node, with the lowest-latency/mostest IOPS IO subsystem, and highest number of CPUs, and the mostest amount of RAM can't handle my workloads. What now? Re-architect your monolith and re-consider your transactional boundaries - that's what.