Ryan Kahn shiftyp

Incident Report: OpenTelemetry Demo System Outage

1. Executive Summary

The OpenTelemetry Demo system is experiencing multiple cascading failures across several microservices. The issues appear to have started around 2025-05-27T00:06:00Z when the system was deployed or restarted. The primary symptoms include load generator errors, service connectivity issues, and potential performance degradation across multiple services.

2. Incident Analysis

2.1 Timeline of Events

Incident Report: 2025-05-25

Executive Summary

During the past 24 hours, several incidents were detected in the OpenTelemetry Demo application. Analysis of telemetry data reveals three primary incidents:

Product Catalog Service Failures: Feature flag-induced errors in the product-catalog service
Load Generator Connection Issues: Multiple errors in the load-generator service, including export failures and browser context errors
Performance Degradation: Significant latency spikes detected across multiple services

	import { Console } from "node:console";

	const BALL = '⏺'
	const COLOR = {
	'blue': '\\033[94m',
	'yellow': '\\033[93m',
	'cyan': '\\033[96m',
	'green': '\\033[92m',
	'magenta': '\\033[95m',
	'white': '\\033[97m',

	const div = document.createElement('div')
	const input = document.createElement('input')

	input.setAttribute('type', 'text')

	input.addEventListener('change', (e) => {
	if (text === '') {
	return updateDiv({ text, className: 'hidden'})
	}

	interface RefHandles {
	scrollToIntent: HTMLElement['scrollTo'];
	}

	const targetElement = document.createElement('div');

	const handles: RefHandles = {
	scrollToIntent(...args: any[]) {
	targetElement.scrollTo(...args);
	}

	let state = 1

	const update = (value) => {
	state = value
	document.innerHTML = Array(value % 4).fill('Hello')
	}

	setInterval(() => update(Date.now()), 1000)

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>My Page</title>
	<style>
	li { cursor: pointer }
	</style>
	<!--
	The first place JS and HTML intersect is a script tag

	import React from 'react'

	import { useStable, useWatch } from '@objects/hooks'
	import { through, map, debounce } from '@objects/operators'

	interface Search {
	title: string
	}

	interface Data {

	wickedElements.define('.my-counter', (element, { events, changes, values }) => {
	const counter = element.querySelector('.count')
	const minus = element.querySelector('.minus')
	const plus = element.querySelector('.plus')

	changes(values).count(count => {
	counter.textContent = count
	})

	values.count = 0

	import { useInstance } from 'object-hooks';

	class Analytics {
	private api = () => {
	const raceError = new Error('handler called before loaded');
	bugsnagClient.notify(raceError);
	};

	public log = (...args: any[]) => {
	return this.api(...args);