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Feb 2021
21 m

UUIDs are Bad for Performance in MySQL -...

Hussein Nasser
About this episode

MySQL is clustered by default on the primary key which means inserts have to be ordered, let us discuss why UUID (random in nature) has bad performance in MySQL and whether postgres wins here. We will also explain why Sequential Writes are Faster than Random in MYSQL and    


https://www.percona.com/blog/2019/11/22/uuids-are-popular-but-bad-for-performance-lets-discuss/

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