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A 1-Second Health Check Took Down a DB

A 1-Second Health Check Took Down a DB

An image pull failing with a 401 pointed at auth. It wasn’t auth. Here is how a 1-second liveness probe kept restarting a recovering database, and why.

EngineeringTeam Insight

Cloud-Native Inference & GPU Splitting

Cloud-Native Inference & GPU Splitting

LLM inference needs CUDA Graph optimization, but CUDA Graphs freeze allocation at capture. TEN’s RA:X team solves this in place with GRIP, accepted to SoCC ‘26.

EngineeringProduct Guide

Nginx Ingress to Cilium: Migration Retrospective

Nginx Ingress to Cilium: Migration Retrospective

We migrated a production Kubernetes cluster's CNI from flannel to Cilium after Ingress-NGINX reached end-of-life. Here are the five issues that surfaced over ten days after removing kube-proxy — SNI, timeouts, NodePort, monitoring — and the lessons learned.

A 1-Second Health Check Took Down a DB

A 1-Second Health Check Took Down a DB

An image pull failing with a 401 pointed at auth. It wasn’t auth. Here is how a 1-second liveness probe kept restarting a recovering database, and why.

EngineeringTeam Insight

Cloud-Native Inference & GPU Splitting

Cloud-Native Inference & GPU Splitting

LLM inference needs CUDA Graph optimization, but CUDA Graphs freeze allocation at capture. TEN’s RA:X team solves this in place with GRIP, accepted to SoCC ‘26.

EngineeringProduct Guide

Nginx Ingress to Cilium: Migration Retrospective

Nginx Ingress to Cilium: Migration Retrospective

We migrated a production Kubernetes cluster's CNI from flannel to Cilium after Ingress-NGINX reached end-of-life. Here are the five issues that surfaced over ten days after removing kube-proxy — SNI, timeouts, NodePort, monitoring — and the lessons learned.