{"published":"2021-01-05 23:59:00","version":"1.0","title":"What we did to stabilize DNS on Kubernetes cluster","categories":["AWS","kubernetes","SRE","English"],"height":"190","description":"This time, I would like to talk about how I fixed DNS errors on EKS (Chatwork's EKS is operated using a single multi-tenant cluster) Service becomes unstable when the number of pods exceeds a certain number Culprit of conntrack overflow was kube-dns (CoreDNS) Increasing the conntrack max value autos\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcreators-note.chatwork.com%2Fentry%2Fstabilize-kubernetes-dns\" title=\"What we did to stabilize DNS on Kubernetes cluster - kubell Creator&#39;s Note\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","blog_title":"kubell Creator's Note","provider_name":"Hatena Blog","blog_url":"https://creators-note.chatwork.com/","author_url":"https://blog.hatena.ne.jp/cw-tomita/","width":"100%","image_url":null,"type":"rich","author_name":"cw-tomita","url":"https://creators-note.chatwork.com/entry/stabilize-kubernetes-dns"}