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Toot

Written by Jepsen on 2024-11-07 at 15:35

Last year we reported that MySQL and MariaDB's "Repeatable Read" was badly broken. The MariaDB team has been hard at work, and they've added a new flag, --innodb-snapshot-isolation=true, which causes "Repeatable Read" to prevent Lost Update, Non-repeatable Read, and violations of Monotonic Atomic View. It looks like MariaDB might, with this setting, offer Snapshot Isolation at "RR". :-)

https://jepsen.io/analyses/mysql-8.0.34

https://mariadb.com/resources/blog/isolation-level-violation-testing-and-debugging-in-mariadb/

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Written by Jepsen on 2024-11-07 at 15:44

As an aside, I'm cackling that MariaDB saw the Extremely Queer genders in the test suite and decided to put "male" and "female" in their blog post instead. Except they put "male" in the name field, so... I dunno, somehow this version is even more trans? 😅

https://github.com/MariaDB/jepsen-mariadb/blob/d90be5b4a0b73d2c6272fbe6c72c855c20c323fb/src/jepsen/mysql/nonrepeatable_read.clj#L111

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Written by kf on 2024-11-07 at 16:20

@jepsen “gaylord” is a real name actual people have so “leatherboy” is also a valid name imo

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