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Uber switches from Postgres to MySQL

Source: Internet
Author: User
Tags switches postgres database
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Uber engineers on the official blog have described why they switched from Postgres to MySQL database . Uber's early architecture was made up of back-end applications written by Python, using the Postgres database. Since then, Uber's architecture has changed dramatically, transforming to microservices models and new data platforms. Previously they used Postgres, and now use the MySQL-based database shard layer. Uber engineers say they switched to schemaless and other MySQL-based backend services, mostly because Postgres data replication is inefficient, postgres the efficiency of updating existing rows is less than mysql,postgres need to rewrite each row index, and MySQL only updates the changed index.

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Uber switches from Postgres to MySQL

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