Jim's Lib
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from A-Z, it's look like AlcatraZ.
be in touch: @suspend
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Do not forget these two rules:

Everything in software architecture is a trade off,
and always why is more important than how.
Anderson's law:
I have yet to see any problem, however complicated, which, when you looked at it in the right way, did not become still more complicated.

so when initially examining a problem, it's common to find that it becomes more complex as you go deeper into it. This complexity often requires a deeper level of investigation to determine the best solution.

#architecture
human interaction could be a bottleneck in most software projects, and should be managed very carefully.
there is a law around it that says "Adding manpower to a late software project makes it later."
it called Brooks's law

#architecture
Whenever you find yourself implementing distributed transactions within a system, keep the meaning of saga word in your mind.

a long story of heroic achievement;
a story of quasi-legendary events; colloquially, a long tale.
- Oxford English Dictionary
The Unanimous 2PC (U2PC) protocol introduced in this paper is a fault-tolerant variant of the traditional Two-Phase Commit (2PC) designed to combine efficiency, simplicity, and fault tolerance in distributed transactional systems.

https://dl.acm.org/doi/pdf/10.1145/3642976.3653035
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anonymous poll

No, it's the first time I've ever heard about that. – 3
πŸ‘πŸ‘πŸ‘πŸ‘πŸ‘πŸ‘πŸ‘ 100%

Yes, I was familiar with that.
▫️ 0%

πŸ‘₯ 3 people voted so far.
Atomic DDL is not transactional DDL

"Atomic DDL is not transactional DDL. DDL statements, atomic or otherwise, implicitly end any transaction that is active in the current session, as if you had done a COMMIT before executing the statement. This means that DDL statements cannot be performed within another transaction, within transaction control statements such as START TRANSACTION ... COMMIT, or combined with other statements within the same transaction."

https://dev.mysql.com/doc/refman/8.0/en/atomic-ddl.html
What is Implicit Commit in MySQL?
The implicit commit occurs within a session.
So for instance you start a transaction, do some updates and then forget to close the transaction and start a new one. Then the first transaction will implicitely committed.

https://dev.mysql.com/doc/refman/8.0/en/implicit-commit.html