Andres Freund <andres@anarazel.de> writes:
> On 2015-06-19 13:56:21 -0300, Alvaro Herrera wrote:
>> We discussed this when that patch got in (82233ce7ea42d6b). The reason
>> for not waiting, it was argued, is that the most likely reason for those
>> processes not to have already gone away by the time we send SIGKILL was
>> that they are stuck somewhere in the kernel, and so we might not be able
>> to actually get them to go away with the SIGKILL. As I recall, that was
>> the actual problem that MauMau was trying to get fixed.
> How does exiting before they're dead help? They're still going to be
> attached to shared memeory and thus prevent a restart. I don't think
> hiding the problem by exiting the postmaster helps at all.
My thought exactly.
regards, tom lane