Opening Old Wounds - Why Uber Engineering Switched from Postgres to MySQL
An article from 2016 which caused lots of discussions in the software engineering community. We bring it back and open old wounds and discuss it again.
0:00 Intro
3:00 Problems with Architecture of Postgres
4:00 Postgres on-Disk Format
9:45 Replication
13:19 Write Amplification
16:44 Replication Bandwidth
21:16 Data Corruption
24:00 Replica MVCC
31:30 Postgres Upgrades
33:00 MySQL on-Disk Format
37:00 MySQL Replication
40:00 Connection Handling
https://eng.uber.com/postgres-to-mysql-migration/
https://news.ycombinator.com/item?id=12166585
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