Hi, On 2025-08-20 02:54:09 +1200, Thomas Munro wrote: > > On linux - the primary OS with OOM killer troubles - I'm pretty sure'll > > lwlock > > waiters would get killed due to the postmaster death signal we've configured > > (c.f. PostmasterDeathSignalInit()). > > No, that has a handler that just sets a global variable. That was > done because recovery used to try to read() from the postmaster pipe > after replaying every record. Also we currently have some places that > don't want to be summarily killed (off the top of my head, syncrep > wants to send a special error message, and the logger wants to survive > longer than everyone else to catch as much output as possible, things > I've been thinking about in the context of threads).
That makes no sense. We should just _exit(). If postmaster has been killed, trying to stay up longer just makes everything more fragile. Waiting for the logger is *exactly* what we should *not* do - what if the logger also crashed? There's no postmaster around to start it. Greetings, Andres Freund
