How much CPU and memory does a CNI actually use?

A CNI is picked once and rarely revisited, and there is no organized data on what it consumes day to day. Measuring 5 CNIs in 14 configurations under identical conditions showed an 8x memory spread, an eBPF map share that kubectl top never sees, and a 70% kube-proxy memory saving from the nftables mode that had not been published as a number.

August 4, 2026 · 7 min · Hoon Jo

Does switching CLAUDE.md to AGENTS.md slow Claude Code down?

The two AGENTS.md migration workarounds (import, symlink) were measured on Kubernetes incident-response tasks: no penalty in speed or context-load tokens; deltas moved with the symlink control, marking them as run variance.

July 3, 2026 · 4 min · Hoon Jo

How well do Claude / Gemini / Codex CLI agents handle Kubernetes incidents? (AIOps Agent Benchmark)

Putting nine agents through ten Kubernetes incident scenarios under identical conditions surfaced two things: the Efficient tier beat Flagship outright, and each brand has a clearly different operational personality.

May 27, 2026 · 6 min · Hoon Jo