How a single dig +tcp command finally revealed why one of our OpenSearch clusters was unreachable from half our Kubernetes pods, and why it stopped a production migration in its tr...

Hassen HarzallahJuly 8, 2026

9 Minutes

Tech Team Stories

CI/CD plays a crucial role in Software Development. At Aircall, most of our pipelines run on self-hosted Gitlab runners on AWS EKS (Elastic Kubernetes Service). We use Infrastructu...