2 ms·
This is a gross mischaracterization of what caused that outage, even just based on the public information from the (excellent) blog post [0] about it. Automati
by mh- 4y ago
This is a gross mischaracterization of what caused that outage, even just based on the public information from the (excellent) blog post [0] about it.
Automating master failover on MySQL without a human in the loop - in the topology GitHub used back then - is risky.
0: https://github.blog/2018-10-30-oct21-post-incident-analysis/ https://github.blog/2018-10-30-oct21-post-incident-analysis/
- VirusNewbie 4y agoHow is it a gross mischaracterization? You get master master multi regional replication out of the box with cassandra, and github spent an inordinate amount of engineering effort to unsuccessfully slap that on top of MySql.