How GitHub's Database Self-Destructed in 43 Seconds

A brief maintenance accident turns for the worse as GitHub's database automatically fails over and breaks the website.

Sources:
https://github.blog/2018-10-30-oct21-...
https://github.blog/2016-12-08-orches...
https://github.blog/2018-06-20-mysql-...
https://news.ycombinator.com/item?id=...
Reddit: github_major_service_outage
https://hub.packtpub.com/github-down-...
https://github.blog/2017-10-12-evolut...

Chapters:
0:00 Part 1: Intro
1:25 Part 2: GitHub's database explained
3:40 Part 3: The 43 seconds
5:04 Part 4: Fail back or not?
6:54 Part 5: Recovery process
10:32 Part 6: Aftermath

Notes:
- Funnily enough in this blog post from 4 months prior to the incident https://github.blog/2018-06-20-mysql-... they specifically explained how cross-data-center failovers could be carried out successfully

Music:
- Hitman by Kevin MacLeod
- Blue Mood by Robert Munzinger
- Pixelland by Kevin MacLeod
- Dumb as a Box by Dan Lebowitz