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#40 high infra_monitor
Infra Monitor: Critical CPU usage at 98.5% with steep upward trend.
Host: claw-gateway1 CPU usage has reached 98.5% and is trending sharply upward (+71.4% over the last 5 readings), exceeding the critical threshold of 95%. This indicates a severe resource constraint that requires immediate investigation. All other metrics remain healthy with low memory utilization (38.8%), abundant disk space, and a manageable process count (139). CPU: 98.5% | Memory: 38.8% Anomalies: CPU usage at 98.5% exceeds critical threshold of 95%, CPU trending upward at +71.4% over last 5 readings indicates rapidly deteriorating condition
Opened 2026-05-29 00:03 UTC · Resolved 2026-05-29 00:20 UTC
Handoff Notes ← Dashboard
Timeline
WEBHOOK
2026-05-29 00:03 UTC
Alert received from AI Infra Monitor. Host: claw-gateway1, Severity: HIGH
CONTEXT AGGREGATED
2026-05-29 00:03 UTC
Sources available: 3/3 — Runbook: ✓ | Past incidents: ✓ | Infra health: ✓
Response Plan
2026-05-29 00:03 UTC

Severity

P1: Critical CPU saturation (98.5%) on claw-gateway1 with +71.4% upward trend; risk of service degradation/timeout cascade.

Root Cause

  • Runaway process consuming CPU (likely recent deployment or cron job)
  • Uncontrolled loop or resource leak in application tier

Actions

  1. SSH to claw-gateway1 (161.35.229.80) and run top -bn1 | head -20 + ps aux --sort=-%cpu | head -10 to identify culprit.
  2. Kill or restart offending process; if service-related, trigger graceful restart.
  3. Check recent deployments and cron jobs in last 30 minutes for correlation.
  4. Verify CPU drops below 85% within 2 minutes post-action; if not, escalate.
  5. Post-incident: review process limits and add CPU rate-limiting to prevent recurrence.

Watch

  • CPU usage trending back below 80% within 5 minutes.
  • Memory remains stable (confirm no secondary resource exhaustion emerging).

Escalate If

CPU remains >90% after killing identified process or no process found consuming >50% CPU.

STATUS CHANGE
2026-05-29 00:15 UTC
Auto-resolver: CPU at 53.5% (below 70% clear threshold) — clean check 1/2
STATUS CHANGE
2026-05-29 00:15 UTC
Auto-resolver: CPU at 53.5% (below 70% clear threshold) — clean check 1/2
STATUS CHANGE
2026-05-29 00:20 UTC
Auto-resolver: CPU at 53.5% (below 70% clear threshold) — clean check 2/2
STATUS CHANGE
2026-05-29 00:20 UTC
Auto-resolver: CPU at 53.5% (below 70% clear threshold) — clean check 2/2
STATUS CHANGE
2026-05-29 00:20 UTC
AUTO-RESOLVED: CPU sustained below 70% for 2 consecutive checks. Current value: 53.5%
STATUS CHANGE
2026-05-29 00:20 UTC
AUTO-RESOLVED: CPU sustained below 70% for 2 consecutive checks. Current value: 53.5%
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HANDOFF
2026-05-29 04:57 UTC
Handoff notes generated: # Shift Handoff Notes - **Incident**: Critical CPU spike (98.5%, +71.4% trend) on claw-gateway1 at 00:03 UTC — P1 severity due to risk of service timeout cascade. - **Resolution**: Auto-resolved at 00:20 UTC after CPU dropped to 53.5% and sustained below 70% threshold for 2 consecutive checks (~15 min duration). Root cause suspected to be runaway process from recent deployment or cron job, but not definitively identified during incident. - **Current State**: Host stable at 53.5% CPU; incident closed automatically. No manual intervention was performed. - **Watch For**: Monitor claw-gateway1 CPU over next 2-4 hours for re-escalation. If spike recurs, SSH to host and run `top -bn1` + `ps aux --sort=-%cpu` to identify the offending process. Consider reviewing recent deployments and cron jobs on this host. - **Follow-up**: Post-incident review recommended to confirm root cause and prevent recurrence — spike resolved too quickly for detailed troubleshooting during the alert window.
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HANDOFF
2026-05-31 14:59 UTC
Handoff notes generated: # Shift Handoff Notes - **Incident**: P1 CPU spike on claw-gateway1 (peaked at 98.5% with +71.4% upward trend) at 00:03 UTC; suspected runaway process or resource leak. - **Resolution**: CPU auto-resolved to 53.5% by 00:20 UTC after sustained dip below 70% threshold (2 consecutive clean checks). Root cause not explicitly identified in logs—likely self-correcting process or automatic cleanup. - **Current State**: Host stable at 53.5% CPU; no ongoing alerts or degradation observed. - **Next Steps**: Monitor claw-gateway1 CPU over next shift for recurrence. If spike returns, SSH in and run `top` + `ps aux --sort=-%cpu` to identify the culprit process; review recent deployments or cron jobs as potential triggers. - **Watch For**: Steep upward CPU trends (>70% sustained) on claw-gateway1; if pattern repeats, escalate to app team for investigation of potential leak or uncontrolled loop.
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HANDOFF
2026-05-31 15:33 UTC
Handoff notes generated: # Shift Handoff Notes - **Incident**: P1 CPU spike on claw-gateway1 peaked at 98.5% with +71.4% upward trend at 00:03 UTC; suspected runaway process or resource leak. - **Resolution**: CPU auto-resolved to 53.5% within ~17 minutes and sustained below 70% threshold for 2 consecutive checks (auto-resolver cleared at 00:20 UTC). Root cause not explicitly identified in logs. - **Current State**: Incident marked AUTO-RESOLVED; claw-gateway1 stable at 53.5% CPU as of last check. No active alerts. - **Next Steps**: Monitor claw-gateway1 CPU trends over next shift. If spike recurs, SSH to host and run `top -bn1 | head -20` + `ps aux --sort=-%cpu | head -10` to identify runaway process (likely recent deployment, cron job, or resource leak). - **Watch For**: Repeated CPU spikes on claw-gateway1 or similar pattern on other gateway nodes; escalate to platform team if sustained above 80%.
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HANDOFF
2026-06-06 10:42 UTC
Handoff notes generated: # Shift Handoff Notes - **Incident**: P1 CPU spike on claw-gateway1 peaked at 98.5% (+71.4% upward trend) at 00:03 UTC on 2026-05-29; suspected runaway process or resource leak. - **Resolution**: CPU auto-resolved to 53.5% within 17 minutes after hitting clear threshold of <70% for 2 consecutive checks. Root cause not explicitly identified in logs—process either self-terminated or was auto-recovered. - **Current State**: RESOLVED as of 00:20 UTC. Host is stable at 53.5% CPU utilization. - **Follow-up Actions**: Next shift should investigate what triggered the spike—review recent deployments, cron jobs, and application logs on claw-gateway1 (161.35.229.80) to prevent recurrence. Run `ps aux --sort=-%cpu` and check deployment timestamps if spike repeats. - **Watch For**: Monitor claw-gateway1 CPU trends closely over next 24 hours; if utilization creeps back above 70% or shows similar upward trend, escalate immediately and prepare to SSH for process identification and termination.
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HANDOFF
2026-06-09 07:02 UTC
Handoff notes generated: # Shift Handoff Notes - **Incident**: P1 CPU spike on claw-gateway1 peaked at 98.5% with +71.4% upward trend on 2026-05-29 at 00:03 UTC; suspected runaway process or resource leak. - **Resolution**: CPU auto-resolved after ~17 minutes, dropping to 53.5% and sustaining below 70% threshold for 2 consecutive checks. Exact culprit process not identified in logs. - **Current State**: RESOLVED as of 00:20 UTC. Host stable at 53.5% CPU; no service impact reported. - **Next Steps**: Monitor claw-gateway1 CPU trends over next shift. If spike recurs, SSH to host and run `top -bn1` + `ps aux --sort=-%cpu` to identify runaway process. Check recent deployments or cron jobs as potential triggers. - **Watch For**: Any CPU creep >70% on claw-gateway1 or similar spikes on other gateway nodes; may indicate systemic issue rather than one-off event.
Update Status
Details
ID #40
Severity HIGH
Source infra_monitor
Status RESOLVED
Opened 2026-05-29 00:03