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Istio

A collection of 2 posts
DevOps Technology

Istio-proxy 503 issue

In the previous article, we fixed a DNS time out issue in our EKS cluster by upgrading the kernel and using the NodeLocalDNS. Then we got into another issue of getting 503 from services randomly. We are using Istio Service Mesh . Problem :-We started debugging to find out where and
- 2 min read
Technology DevOps

DNS timeouts in Kubernetes

Recently we started seeing  a bunch of DNS lookup timeouts in our Kubernetes cluster. Every pod has the name server. All the DNS lookups from that pod is going through the name server only. How DNS lookups worksIn our case nameserver 172.20.0.10 , which is a ClusterIP of
- 3 min read
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