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Upgrading to MySQL 8.4 at Booking.com

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 Mudd, Simon

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Upgrading to MySQL 8.4 at Booking.com
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108
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CC Attribution 2.0 Belgium:
You are free to use, adapt and copy, distribute and transmit the work or content in adapted or unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
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A discussion of how we handle upgrades to major new versions of MySQL and the challenges we have to do this at scale. Upgrading to MySQL 8.4 at Booking.com - why we want to do this? why NOT stay on 8.0? - how to approach the process with a large fleet - changes around automation and tooling - testing of the changes and deployment - compatibility issues - new features? - In many ways 8.4 is to allow us to test 9.X --> Why should we care?