Notification Outage

Severity: Minor
Category: Misconfiguration
Service: PagerDuty

This summary is created by Generative AI and may differ from the actual content.

Overview

On April 12th, 2023 between 22:12 UTC to 23:20 UTC, PagerDuty experienced a service degradation that resulted in a small subset of users experiencing a delay in the delivery of SMS, phone, and push notifications. The email notification channel was unaffected during this time.

Impact

A small subset of users experienced delays in SMS, phone, and push notifications, with delays up to 20 minutes. The email notification channel was unaffected.

Trigger

An infrastructure (server) mis-configuration that prevented network communication between notification delivery services.

Detection

The teams noticed an increase in notification processing times.

Resolution

Service was restored by rolling back the configuration to a previous known state.

Root Cause

Infrastructure mis-configuration preventing network communication between notification delivery services.