Hi y'all!
I've just completed an analysis of isolation levels in MySQL. The report
focuses on MySQL, but the test suite runs against MariaDB as well.
MariaDB exhibits all the same behaviors--"Repeatable Read" allows a
whole bunch of anomalies that should be prohibited under Repeatable
Read, including G2-item, G-single (even without predicates),
non-repeatable reads, violations of Monotonic Atomic View, etc. Figured
this might be of interest to the list.
https://jepsen.io/analyses/mysql-8.0.34
I'm also curious whether this is widely-understood behavior in the
MariaDB community, or if it's news to most people. The extant literature
doesn't really seem to discuss these behaviors much, but maybe there's
more tacit knowledge among experts?
Sincerely,
--Kyle
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