The author is right that usage is dropping, but that really has no bearing on whether or not it is open source. Technologies get replaced all the time regardless of the license they use.
Author is also being careful with the DB-Engines screen shot, usage of MySQL may be dropping, but it's still number two (below Oracle, above MSSQL - which shows the same curve, above Postgres, far above MariaDB and SQLite) https://db-engines.com/en/ranking_trend
From my experience MariaDB is not necessarily better than MySQL. The 8.x line brought many interesting features. I dream on switch to Postgres, and try every year but for my use case MySQL is still superior (100Bi+ rows for large texts, and heavy modified - I´m also space constrained - So I need data compression and the VACUUM are not good.)
From my experience, mariadb is about the same as mysql... depending on the queries, it can either be fine, or slow as balls. I'm actually considering switching to pgsql to see if its any better. /shrug
Obviously lots and lots of companies. Do you think a mature company just migrates to a different database unless it is absolutely necessary? That's a multi year project. I'm at a smaller company (around a 100 devs) and we have easily a dozen different production instances, some small and some larger with many replicas, etc.
New projects get MySQL too because we know it and it works.
I'm stuck on MySQL because converting to postgres is hard, the tool everyone recommends (pgloader) doesn't work with current MySQL (https://github.com/dimitri/pgloader/issues/782), anyone know another way?
I would argue that the reason to stop using it is that is a pretty bad piece of software to begin with, not because it's not "true open source" but hey, whatever floats your boat, right?
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[ 5.4 ms ] story [ 45.6 ms ] threadThe percona distribution is very good!
https://engineering.fb.com/2021/07/22/core-infra/mysql
New projects get MySQL too because we know it and it works.