Investigate · workspace

P1openSLA at risk

Clinical DB replica lag exceeding 90s

Read replica lag breaches clinical reporting SLA during nightly ETL.

Elapsed

150h 01m 37s

live clock

Reference

inc-4802

recurrence 2x

Investigation workspace

Evidence-backed timeline — every step is read-only, bounded and audited.

Read-only Agent OS

Status

open

Tenant

Meridian Health Systems

Clinical Data Platform

Lead agent

Database Agent 01

Environment: production

RCA confidence

pending

Investigation timeline

Severity P1 · phases are append-only evidence steps

  1. Tenant and scope validationverifiedGuardrails · 06:41:12

    Passport verified for ag-kubernetes-01. Scope limited to tenant tn-nordic / customer cu-fsprod. Read-only mode confirmed.

    • passport signature valid
    • tenant boundary check passed
  2. Node status queryanomalyKubernetes · 06:41:38

    fs-prod-cs-tool2 reports Ready=False, kubelet heartbeat stale for 4m12s.

    • kubectl get node fs-prod-cs-tool2 -> NotReady
    • kubelet last heartbeat 06:37:26
  3. Node conditionsanomalyKubernetes · 06:42:02

    MemoryPressure=False, DiskPressure=False, PIDPressure=False, NetworkUnavailable=False, Ready=False (KubeletNotReady: container runtime network not ready).

    • conditions snapshot captured
  4. Kubernetes eventsanomalyKubernetes · 06:42:31

    17 FailedCreatePodSandBox events and 9 Failed ErrImagePull events on the node within 10 minutes.

    • event stream 06:32-06:42
  5. Kubelet logsanomalyLinux · 06:43:04

    kubelet: failed to pull image registry.corp.internal/cni/calico-node:v3.27.2 — connection reset by peer during layer fetch.

    • journalctl -u kubelet (read-only)
  6. Containerd logsanomalyLinux · 06:43:29

    containerd: 3 resets mid-transfer at ~5MB layer boundary; TLS handshake succeeds, stream terminates.

    • journalctl -u containerd (read-only)

Opened 8/1/2026, 6:30:00 PM · inc-4802