Lua-Based Load Balancing Creates Hot Pod/Cold Pod Imbalance

7/10 High

Lua-based load balancing logic in Kubernetes ingress-nginx, particularly under high pod counts, results in severe traffic imbalance where a small subset of backend pods receives an overwhelming majority of traffic, creating 'hot pods' and 'cold pods' and degrading overall cluster performance.

Category
performance
Workaround
partial
Stage
deploy
Freshness
persistent
Scope
framework
Upstream
open
Recurring
Yes
Buyer Type
team
Maintainer
active

Sources

Collection History

Query: “What are the most common pain points with Nginx for developers in 2025?4/4/2026

Lua-based load balancing logic, particularly under high pod counts, can result in a severe traffic imbalance where a small subset of backend pods receives an overwhelming majority of the traffic, creating 'hot pods' and 'cold pods.'

Created: 4/4/2026Updated: 4/4/2026