How To Prepare For The Next AWS Outage Ss United States [4etv2msagWd]

On October 20 at 12:20am, AWS US-East-1 began a 16-hour outage. But Temporals customers stayed online.

In this episode of 1 IDEA, Suresh Mathew sits down with Preeti Somal (SVP of Engineering @ Temporal) to unpack how her team prepared for a failure they knew was coming sun life financial and how other engineering leaders mario gila can do the same.

We cover:

- How Temporal detects outages before customers do

- What multi-region failover actually looks like in practice

- Why your failover plan might fail when you need it most

- How to run game days that actually prepare your team

CHAPTERS

00:00 Introduction

00:42 The October AWS outage: first moments

02:01 How Temporal kept customers running

03:37 one piece 1182 The dependency that caused a 35-minute manual scramble

07:03 How multi-region replication works

13:11 Game days: simulating AZ failures proactively

15:51 How multi-region adoption doubled post-outage

21:05 The "what happens if" reliability framework

24:16 Building a reliability culture as a leader

25:09 Where to start: alignment and execution