Andres Freund <and...@anarazel.de> writes: > On 2022-10-07 20:35:58 -0400, Tom Lane wrote: >> Andres Freund <and...@anarazel.de> writes: >>> Why are we even tracking PM_CHILD_UNUSED / PM_CHILD_ASSIGNED in shared >>> memory?
>> Because those flags are set by the child processes too, cf >> MarkPostmasterChildActive and MarkPostmasterChildInactive. > Only PM_CHILD_ACTIVE and PM_CHILD_WALSENDER though. We could afford another > MaxLivePostmasterChildren() sized array... Oh, I see what you mean --- one private and one public array. Maybe that makes more sense than what I did, not sure. >> I am, but I'm not inclined to push this immediately before a wrap. > +1 OK, I'll take a little more time on this and maybe code it up as you suggest. regards, tom lane