Andres Freund <and...@anarazel.de> writes: > On 2019-04-22 16:50:25 -0700, Mikhail Bautin wrote: >> What is the standard memory leak checking policy for the PostgreSQL >> codebase? I know there is some support for valgrind -- is the test suite >> being run continuously with valgrind on the build farm?
> Leaks are allowed if they are once-per-backend type things. There's no > point in e.g. freeing information for timezone metadata, given that > it'll be used for the whole server lifetime. And there's such things in > psql too, IIRC. I would not call the timezone data a "leak", since it's still useful, and accessible from static pointers, right up to exit. A true leak for this purpose is memory that's allocated but not usefully accessible, and I'd say we discourage that; though small one-time leaks may not be worth the trouble to get rid of. regards, tom lane