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Monitor Down: monitor

High

Open

Investigation Complete

2/8/2026, 8:09:09 AM · 6 agents

90%

What's happening?

The "first service" is experiencing a complete multi-region outage with systematic monitor failures across all endpoints. This is the 4th wave of failures today, indicating a recurring systemic infrastructure issue rather than an isolated incident.

Severity

CRITICAL

Complete service outage affecting multiple regions with recurring pattern (4 waves today). High business impact with no clear resolution path and inadequate documentation for response.

Root Cause Narrative

Systemic infrastructure failure affecting the core service or its critical dependencies (load balancer, network gateway, or shared infrastructure component)

Potential Causes

1Core service infrastructure complete failure (application, database, or hosting platform)

2Load balancer or API gateway failure preventing all traffic

3Network infrastructure issue affecting service connectivity

4Shared dependency failure (DNS, certificate services, authentication)

5Cascading failure from upstream service or database

6Configuration drift causing periodic service instability

Actions

2/5 done

Investigate core service infrastructure

Immediate

Check application logs, database connectivity, and hosting platform status. Verify if the service process is running and responding locally.

Check load balancer and network gateway health

Immediate

Verify load balancer configuration, health checks, and network routing to identify if traffic is reaching the service.

Escalate to infrastructure team

Immediate

Given the multi-region systematic failure pattern, escalate to infrastructure/platform team for deeper network and platform investigation.

Implement temporary monitoring bypass

Soon

If service is actually functional but monitoring is failing, implement alternative health checks to confirm true service status.

Document incident response procedures

When Possible

Create runbooks for multi-region monitor failures to improve future incident response time.

Affected Components

first service

monitor endpoints

eu-central-1 region monitoring

us-east-1 region monitoring

load balancer/gateway infrastructure

Evidence and Findings

No recent deployments to 'first service' found

Searched for deployments to 'first service' within the last 24 hours and found zero deployments. The connection failures are not correlated with any recent deployment activity.

Strong Confidence

Systematic service-wide monitor failures affecting all endpoints

Analysis of related alerts reveals a clear pattern of widespread monitoring failures across the 'first service'. Multiple distinct monitors are experiencing high-severity alerts simultaneously.

Strong Confidence

No documented runbooks found for monitor failures

Comprehensive search across multiple relevant keywords returned zero runbooks. This indicates a critical gap in documentation for handling monitor down scenarios.

Strong Confidence

hey

Hi! I'm here to help you investigate the "Monitor Down: monitor" alert. It seems like the monitor named 'monitor' is unreachable from two regions, eu-central-1 and us-east-1. The connection attempts to these regions have failed. To start, I need to understand the nature of this monitor. What does this monitor usually monitor? What kind of service or application does it check? Knowing this will help me narrow down the possible causes.

Open for 15h 20m

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