フリー問題

問題文

A team asks why a cluster wide update takes so long and what the cluster has to be able to give up while it runs. Which pair states what the spare room has to cover and what a busy period does to the run?

選択肢

1. The bundle goes on one node in turn while the rest keep serving, so the spare room covers the lost resources and the busy period adds to the duration in that consideration.
2. The bundle goes on one node in turn while the rest keep serving, so the spare room covers the lost adapters and the busy period adds to the granularity in that consideration.
3. The bundle goes on one node in turn while the rest keep serving, so the spare room covers the lost adapters and the busy period adds to the duration in that consideration.
4. The bundle goes on one node in turn while the rest keep serving, so the spare room covers the lost resources and the busy period adds to the granularity in that consideration.