[COST] Fix `NetworkCost` raises an exception when some brokers have no replica#1499

Merged

garyparrot merged 3 commits intoopensource4you:mainfrom garyparrot:fix-network-cost-bugs

Feb 18, 2023

+83-7

Commits on Feb 16, 2023

Commits on Feb 17, 2023

address comments
garyparrot
committed