Ahmet Alp Balkan • 7/9/2025

Kubernetes List API performance and reliability

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This technical article details the performance and reliability issues caused by expensive 'list' API calls in large-scale Kubernetes deployments (thousands of nodes, hundreds of thousands of pods). It explains key concepts like the watch cache and resource versions, analyzes the high cost of listing large collections, and discusses how pagination and recent/upcoming Kubernetes versions help mitigate these problems.

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#Kubernetes #Scalability #API Performance
Kubernetes List API performance and reliability

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