[cozos]

The previous policy uses weighted round robin (WRR), which is described as:

> weight wi is calculated as qi/ui, where qi and ui represent the recent query-per-second (QPS) rate and CPU utilization of replica i.

The pathological case describes a situation where antagonist loads are soaking up CPU on some on the machines, but WRR equally distributes the load because weight formula prioritizes the utilization of the individual tenant, not of the entire machine. Wouldn't including the the machine utilization (probably downweighted) into the WRR formula also solve the issue?