On Thu, Sep 24, 2026 at 8:50 AM Merlin Moncure <mmoncure(at)gmail(dot)com> wrote:
>
> My work on adding a WaitEventSet based dblink API poll was in part
> inspired by attempting to defend against this issue on the premise that
> sitting around in poll() and being aggressive with consumeinput vs pg_sleep
> latch was somehow more polite to the o/s somehow. Perhaps it's not a bug
> at all, but a simple hardware flush problem that postgres is at the mercy
> of.
>
Quick note: turning off logging collector, then disconnecting the session
that invoked pg_ctl so that logs go nowhere, timings go flat and are fast.
So this smells like hardware.
merlin
>