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Why Uber switched from Postgres to MySQL

Accepted submission by at 2016-07-27 03:54:54
Software

https://eng.uber.com/mysql-migration/ [uber.com]

We encountered many Postgres limitations:

        Inefficient architecture for writes
        Inefficient data replication
        Issues with table corruption
        Poor replica MVCC support
        Difficulty upgrading to newer releases

Original Submission