Stress Testing GPU Transcoding in Kubernetes with JF_hw_stress
TL;DR JF_hw_stress is a headless transcoding stress tester that answers one question: how many concurrent transcode streams can your GPU actually handle before quality degrades? It runs escalating FFmpeg transcodes against real media files using VAAPI hardware acceleration, measures FPS ratios, and outputs a JSON report. I run it as a Kubernetes Job on the same k3s cluster from Cluster Genesis, scheduled exclusively on the GPU node (Intel UHD 630). The job auto-deletes after 10 minutes so it does not accumulate stale pods. ...