Lightning Talk: Golden Rules of Resource Isolation in Istio
Lightningat Istio Day Europe 2023 · on Tuesday, 2023-04-18· at 16:40· Hall 7, Room D | Ground Floor | Europe Complex·
summary
Practical steps to cut Istio CPU, memory and bandwidth by narrowing what istiod and proxies must see are described with three concrete options and tradeoffs. filtering on S2D is the simplest and reduces control‑plane consumption by limiting visible services. exportTo + workloadSelector applies per namespace/service/config or via meshConfig default to confine visibility. per‑proxy or per‑namespace exportTo gives the strongest savings but requires explicit per‑proxy configuration.
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