Re: Crash during backend start when low on memory

Mats Kindahl <mats@timescale.com> writes:
> On Fri, Jan 13, 2023 at 4:01 PM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Yeah, the BackendStartup change is 100% wrong; it is replacing
>> perfectly good code that recovers correctly with bad code that
>> will take down the postmaster (not a backend child!) on OOM.

> AFAICT, the error is caught by the caller (using PG_TRY), executes some
> cleanup code, and then continues executing, so it shouldn't take down the
> postmaster.

There are no PG_TRY blocks in the postmaster, and certainly no recovery.

            regards, tom lane