{"level":"info","ts":1794106127.496698,"caller":"qpext/main.go:332","msg":"Starting stats server on port "} required key CONTAINER_CONCURRENCY missing value {"level":"error","ts":1794106127.497184,"caller":"qpext/main.go:350","msg":"error serving aggregate metrics","error":"required key CONTAINER_CONCURRENCY missing value","stacktrace":"main.main\n\tgithub.com/kserve/kserve/qpext/cmd/qpext/main.go:350\nruntime.main\n\truntime/proc.go:290"}