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I was recently looking into some workloads that generate a lot of I/O and CPU contention on some very high-write code paths and came across synchronous_commit (https://www.postgresql.org/docs/current/wal-async-commit.html). It can be very tempting to turn this off globally because the performance gains in terms of I/O, CPU, and TPS (transactions per second) are very hard to overlook. I noticed I/O completely gone, CPU down 20% (at peak), and a 30% increase in TPS.

 Artificial Intelligence is one of those conundrums where the ability to have some tasks handled for you contrasts with a mix of ego and pride that it may be better than you at those tasks.  I recently wrote a blog using another database about an AI-generated SQL that was quite sophisticated. But what about asking an AI to create a table with a specification like a DBA/SRE/Analyst might receive?