Opening Old Wounds - Why Uber Engineering Switched from Postgres to MySQL
The Backend Engineering Show with Hussein Nasser - A podcast by Hussein Nasser
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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
