Who Contributed to PostgreSQL Development in 2022?

As in previous years, I've pulled together a few statistics on code contributions to PostgreSQL. See previous posts in this series for methodology and caveats. I calculate that, in 2022, there were 192 people who were the principal author of at least one PostgreSQL commit. 66% of the new lines of code were contributed by one of 14 people, and 90% of the new lines of code were contributed by one of 40 people. Here they are.  Asterisks indicate non-committers.

Updating the Cost Limit On The Fly

Rejoice and be glad! I was so pleased this morning to see that Melanie Plageman's patch to make autovacuum absorb new cost limit settings more quickly was committed by Daniel Gustafsson while I was busy enjoying a long Easter weekend. It's a minor change in the grand scheme of things, but there's a reasonably common situation where it's going to make life a lot easier.

Assigning Blame For PostgreSQL Errors

If an error message shows up in the PostgreSQL log, what program is malfunctioning? It's easy to conclude that the answer is PostgreSQL, but that's too simplistic.